{"id":5965,"date":"2020-02-23T21:20:29","date_gmt":"2020-02-23T15:50:29","guid":{"rendered":"https:\/\/pynative.com\/?p=5965"},"modified":"2021-09-06T10:47:57","modified_gmt":"2021-09-06T05:17:57","slug":"python-if-else-and-for-loop-exercise-with-solutions","status":"publish","type":"post","link":"https:\/\/pynative.com\/python-if-else-and-for-loop-exercise-with-solutions\/","title":{"rendered":"Python if else, for loop, and range() Exercises with Solutions"},"content":{"rendered":"\n<p>To decide and control the flow of a program, we have branching and looping techniques in Python. A good understanding of loops and if-else statements is necessary to write efficient programs in Python.<\/p>\n\n\n\n<p>This Python loop exercise aims to help Python developers to learn and practice if-else conditions, <code>for<\/code> loop, <code>range()<\/code> function, and <code>while<\/code> loop.<\/p>\n\n\n\n<p><strong>Use the following tutorials to solve this exercise<\/strong><\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python-control-flow-statements\/\">Control flow statements<\/a>: Use the <code>if-else<\/code> statements in Python for conditional decision-making<\/li><li><a href=\"https:\/\/pynative.com\/python-for-loop\/\">for loop<\/a>: To iterate over a sequence of elements such as list, string.<\/li><li><a href=\"https:\/\/pynative.com\/python-range-function\/\">range() function<\/a>: Using a <code>for<\/code> loop with <code>range()<\/code>, we can repeat an action a specific number of times<\/li><li><a href=\"https:\/\/pynative.com\/python-while-loop\/\">while loop<\/a>: To repeat a block of code repeatedly, as long as the condition is true.<\/li><li><a href=\"https:\/\/pynative.com\/python-break-continue-pass\/\">Break and Continue<\/a>: To alter the loop\u2019s execution in a certain manner.<\/li><li><a href=\"https:\/\/pynative.com\/python-nested-loops\/\">Nested loop<\/a>: loop inside a loop is known as a nested loop<\/li><\/ul>\n\n\n\n<div class=\"wp-block-columns sectionpy has-background is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\" style=\"background-color:#edf9f8\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Also Read<\/strong>:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python-if-else-and-for-loop-quiz\/\">Python Loop Quiz<\/a><\/li><\/ul>\n<\/div>\n<\/div>\n\n\n\n<p><strong>This Python loop exercise include the following<\/strong>: &#8211;<\/p>\n\n\n\n<ul><li>It contains <strong>18 programs<\/strong> to solve using if-else statements and looping techniques.<\/li><li>Solutions are provided for all questions and tested on Python 3.<\/li><li>This exercise is nothing but an assignment to solve, where you can solve and practice different loop programs and challenges.<\/li><\/ul>\n\n\n\n<p>Let us know if you have any alternative solutions. It will help other developers.<\/p>\n\n\n\n<p>Use <strong><a href=\"https:\/\/pynative.com\/online-python-code-editor-to-execute-python-code\/\">Online Code Editor<\/a><\/strong> to solve exercise questions.<\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-exercise-1-print-first-10-natural-numbers-using-while-loop\" data-level=\"3\">Exercise 1: Print First 10 natural numbers using while loop<\/a><\/li><li><a href=\"#h-exercise-2-print-the-following-pattern\" data-level=\"3\">Exercise 2: Print the following pattern<\/a><\/li><li><a href=\"#h-exercise-3-calculate-the-sum-of-all-numbers-from-1-to-a-given-number\" data-level=\"3\">Exercise 3: Calculate the sum of all numbers from 1 to a given number<\/a><\/li><li><a href=\"#h-exercise-4-write-a-program-to-print-multiplication-table-of-a-given-number\" data-level=\"3\">Exercise 4: Write a program to print multiplication table of a given number<\/a><\/li><li><a href=\"#h-exercise-5-display-numbers-from-a-list-using-loop\" data-level=\"3\">Exercise 5: Display numbers from a list using loop<\/a><\/li><li><a href=\"#h-exercise-6-count-the-total-number-of-digits-in-a-number\" data-level=\"3\">Exercise 6: Count the total number of digits in a number<\/a><\/li><li><a href=\"#h-exercise-7-print-the-following-pattern\" data-level=\"3\">Exercise 7: Print the following pattern<\/a><\/li><li><a href=\"#h-exercise-8-print-list-in-reverse-order-using-a-loop\" data-level=\"3\">Exercise 8: Print list in reverse order using a loop<\/a><\/li><li><a href=\"#h-exercise-9-display-numbers-from-10-to-1-using-for-loop\" data-level=\"3\">Exercise 9: Display numbers from -10 to -1 using for loop<\/a><\/li><li><a href=\"#h-exercise-10-use-else-block-to-display-a-message-done-after-successful-execution-of-for-loop\" data-level=\"3\">Exercise 10: Use else block to display a message &#8220;Done&#8221; after successful execution of for loop<\/a><\/li><li><a href=\"#h-exercise-11-write-a-program-to-display-all-prime-numbers-within-a-range\" data-level=\"3\">Exercise 11: Write a program to display all prime numbers within a range<\/a><\/li><li><a href=\"#h-exercise-12-display-fibonacci-series-up-to-10-terms\" data-level=\"3\">Exercise 12: Display Fibonacci series up to 10 terms<\/a><\/li><li><a href=\"#h-exercise-13-find-the-factorial-of-a-given-number\" data-level=\"3\">Exercise 13: Find the factorial of a given number<\/a><\/li><li><a href=\"#h-exercise-14-reverse-a-given-integer-number\" data-level=\"3\">Exercise 14: Reverse a given integer number<\/a><\/li><li><a href=\"#h-exercise-15-use-a-loop-to-display-elements-from-a-given-list-present-at-odd-index-positions\" data-level=\"3\">Exercise 15: Use a loop to display elements from a given list present at odd index positions<\/a><\/li><li><a href=\"#h-exercise-16-calculate-the-cube-of-all-numbers-from-1-to-a-given-number\" data-level=\"3\">Exercise 16: Calculate the cube of all numbers from 1 to a given number<\/a><\/li><li><a href=\"#h-exercise-17-find-the-sum-of-the-series-upto-n-terms\" data-level=\"3\">Exercise 17: Find the sum of the series upto n terms<\/a><\/li><li><a href=\"#h-exercise-18-print-the-following-pattern\" data-level=\"3\">Exercise 18: Print the following pattern<\/a><\/li><\/ul><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-1-print-first-10-natural-numbers-using-while-loop\">Exercise 1: Print First 10 natural numbers using while loop<\/h3>\n\n\n\n<p><strong>Help<\/strong>:  <a href=\"https:\/\/pynative.com\/python-while-loop\/\">while loop in Python<\/a><\/p>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code1\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># program 1: Print first 10 natural numbers<\/span>\ni = <span class=\"hljs-number\">1<\/span>\n<span class=\"hljs-keyword\">while<\/span> i &lt;= <span class=\"hljs-number\">10<\/span>:\n    print(i)\n    i += <span class=\"hljs-number\">1<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code1', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code1');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-2-print-the-following-pattern\">Exercise 2: Print the following pattern<\/h3>\n\n\n\n<p>Write a program to print the following number pattern using a loop.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">1 \n1 2 \n1 2 3 \n1 2 3 4 \n1 2 3 4 5<\/pre>\n\n\n\n<p><strong>Refer<\/strong>:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/print-pattern-python-examples\/\">Print Patterns In Python<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-nested-loops\/\">Nested loops in Python<\/a><\/li><\/ul>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Decide the row count, i.e., 5, because the pattern contains five rows<\/li><li>Run outer for loop 5 times using <a href=\"https:\/\/pynative.com\/python-for-loop\/\">for loop<\/a> and <a href=\"https:\/\/pynative.com\/python-range-function\/\">range()<\/a> function<\/li><li>Run inner for loop <code>i+1<\/code> times using <code>for<\/code> loop and <code>range()<\/code> function<ul><li>In the first iteration of the outer loop, the inner loop will execute 1 time<\/li><li>In the second iteration of the outer loop, the inner loop will execute 2 time<\/li><li>In the third iteration of the outer loop, the inner loop will execute 3 times, and so on till row 5<\/li><\/ul><\/li><li>print the value of <code>j<\/code> in each iteration of inner loop (<code>j<\/code> is the the inner loop iterator variable)<\/li><li>Display an empty line at the end of each iteration of the outer loop (empty line after each row)<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code2\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">print(<span class=\"hljs-string\">\"Number Pattern \"<\/span>)\n\n<span class=\"hljs-comment\"># Decide the row count. (above pattern contains 5 rows)<\/span>\nrow = <span class=\"hljs-number\">5<\/span>\n<span class=\"hljs-comment\"># start: 1<\/span>\n<span class=\"hljs-comment\"># stop: row+1 (range never include stop number in result)<\/span>\n<span class=\"hljs-comment\"># step: 1<\/span>\n<span class=\"hljs-comment\"># run loop 5 times<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, row + <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">1<\/span>):\n    <span class=\"hljs-comment\"># Run inner loop i+1 times<\/span>\n    <span class=\"hljs-keyword\">for<\/span> j <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, i + <span class=\"hljs-number\">1<\/span>):\n        print(j, end=<span class=\"hljs-string\">' '<\/span>)\n    <span class=\"hljs-comment\"># empty line after each row<\/span>\n    print(<span class=\"hljs-string\">\"\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code2', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code2');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-3-calculate-the-sum-of-all-numbers-from-1-to-a-given-number\">Exercise 3: Calculate the sum of all numbers from 1 to a given number<\/h3>\n\n\n\n<p>Write a program to accept a number from a user and calculate the sum of all numbers from 1 to a given number<\/p>\n\n\n\n<p>For example, if the user entered <strong>10<\/strong> the output should be <strong>55<\/strong> (<code>1+2+3+4+5+6+7+8+9+10<\/code>)<\/p>\n\n\n\n<p><strong>Expected Output<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Enter number 10\nSum is:  55<\/pre>\n\n\n\n<p><strong>Refer<\/strong>:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python-input-function-get-user-input\/\">Accept input from user in Python<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-program-to-calculate-sum-and-average-of-numbers\/\">Calculate sum and average in Python<\/a><\/li><\/ul>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<p><strong>Approach 1<\/strong>: Use <code>for<\/code> loop and <code>range()<\/code> function<\/p>\n\n\n\n<ul><li>Create <a href=\"https:\/\/pynative.com\/python-variables\/\">variable<\/a> <code>s = 0<\/code> to store the sum of all numbers<\/li><li>Use Python 3\u2019s built-in function <code>input()<\/code> to take input from a user<\/li><li>Convert user input to the integer type using the <code>int()<\/code> constructor and save it to variable <code>n<\/code><\/li><li>Run loop <code>n<\/code> times using <a href=\"https:\/\/pynative.com\/python-for-loop\/\">for loop<\/a> and <a href=\"https:\/\/pynative.com\/python-range-function\/\">range()<\/a> function<\/li><li>In each iteration of a loop, add current number (<code>i<\/code>) to variable <code>s<\/code><\/li><li>Use the <code>print()<\/code> function to display the variable <code>s<\/code> on screen<\/li><\/ul>\n\n\n\n<p><strong>Approach 2<\/strong>: Use the built-in function sum(). The sum() function calculates the addition of numbers in the list or range<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\">\n<p><strong>Solution 1<\/strong>: Using <code>for<\/code> loop and <code>range()<\/code> function<\/p>\n\n\n<div class=\"hljstoolbar\"><pre id=\"code3\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># s: store sum of all numbers<\/span>\ns = <span class=\"hljs-number\">0<\/span>\nn = int(input(<span class=\"hljs-string\">\"Enter number \"<\/span>))\n<span class=\"hljs-comment\"># run loop n times<\/span>\n<span class=\"hljs-comment\"># stop: n+1 (because range never include stop number in result)<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, n + <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">1<\/span>):\n    <span class=\"hljs-comment\"># add current number to sum variable<\/span>\n    s += i\nprint(<span class=\"hljs-string\">\"\\n\"<\/span>)\nprint(<span class=\"hljs-string\">\"Sum is: \"<\/span>, s)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code3', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code3');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div>\n\n\n<p> <strong>Solution 2<\/strong>: Using the built-in function <code>sum()<\/code><\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">n = int(input(<span class=\"hljs-string\">\"Enter number \"<\/span>))\n<span class=\"hljs-comment\"># pass range of numbers to sum() function<\/span>\nx = sum(range(<span class=\"hljs-number\">1<\/span>, n + <span class=\"hljs-number\">1<\/span>))\nprint(<span class=\"hljs-string\">'Sum is:'<\/span>, x)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-4-write-a-program-to-print-multiplication-table-of-a-given-number\">Exercise 4: Write a program to print multiplication table of a given number<\/h3>\n\n\n\n<p>For example, <code>num = 2<\/code> so the output should be<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">2\n4\n6\n8\n10\n12\n14\n16\n18\n20<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Set <code>n =2<\/code><\/li><li>Use <code>for<\/code> loop to iterate the first 10 numbers<\/li><li>In each iteration, multiply 2 by the current number.( <code>p = n*i<\/code>)<\/li><li>Print <code>p<\/code><\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code4\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">n = <span class=\"hljs-number\">2<\/span>\n<span class=\"hljs-comment\"># stop: 11 (because range never include stop number in result)<\/span>\n<span class=\"hljs-comment\"># run loop 10 times<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">11<\/span>, <span class=\"hljs-number\">1<\/span>):\n    <span class=\"hljs-comment\"># 2 *i (current number)<\/span>\n    product = n * i\n    print(product)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code4', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code4');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-5-display-numbers-from-a-list-using-loop\">Exercise 5: Display numbers from a list using loop<\/h3>\n\n\n\n<p>Write a program to display only those numbers from a <a href=\"https:\/\/pynative.com\/python-lists\/\">list<\/a> that satisfy the following conditions<\/p>\n\n\n\n<ul><li>The number must be divisible by five<\/li><li>If the number is greater than 150, then skip it and move to the next number<\/li><li>If the number is greater than 500, then stop the loop<\/li><\/ul>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">numbers = &#91;<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">75<\/span>, <span class=\"hljs-number\">150<\/span>, <span class=\"hljs-number\">180<\/span>, <span class=\"hljs-number\">145<\/span>, <span class=\"hljs-number\">525<\/span>, <span class=\"hljs-number\">50<\/span>]<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">75\n150\n145<\/pre>\n\n\n\n<p><strong>Refer<\/strong>: <a href=\"https:\/\/pynative.com\/python-break-continue-pass\/\">break and continue in Python<\/a><\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Use for loop to iterate each item of a list<\/li><li>Use <code>break<\/code> statement to break the loop if the current number is greater than 500<\/li><li>use <code>continue<\/code> statement move to next number if the current number is greater than 150<\/li><li>Use n<code>umber % 5 == 0<\/code> condition to check if number is divisible by 5<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code5\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">numbers = &#91;<span class=\"hljs-number\">12<\/span>, <span class=\"hljs-number\">75<\/span>, <span class=\"hljs-number\">150<\/span>, <span class=\"hljs-number\">180<\/span>, <span class=\"hljs-number\">145<\/span>, <span class=\"hljs-number\">525<\/span>, <span class=\"hljs-number\">50<\/span>]\n<span class=\"hljs-comment\"># iterate each item of a list<\/span>\n<span class=\"hljs-keyword\">for<\/span> item <span class=\"hljs-keyword\">in<\/span> numbers:\n    <span class=\"hljs-keyword\">if<\/span> item &gt; <span class=\"hljs-number\">500<\/span>:\n        <span class=\"hljs-keyword\">break<\/span>\n    <span class=\"hljs-keyword\">elif<\/span> item &gt; <span class=\"hljs-number\">150<\/span>:\n        <span class=\"hljs-keyword\">continue<\/span>\n    <span class=\"hljs-comment\"># check if number is divisible by 5<\/span>\n    <span class=\"hljs-keyword\">elif<\/span> item % <span class=\"hljs-number\">5<\/span> == <span class=\"hljs-number\">0<\/span>:\n        print(item)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code5', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code5');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-6-count-the-total-number-of-digits-in-a-number\">Exercise 6: Count the total number of digits in a number<\/h3>\n\n\n\n<p>Write a program to count the total number of digits in a number using a <a href=\"https:\/\/pynative.com\/python-while-loop\/\">while loop<\/a>.<\/p>\n\n\n\n<p>For example, the number is <strong>75869<\/strong>, so the output should be <strong>5<\/strong>.<\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Set <code>counter = 0<\/code> <\/li><li>Run while loop till <code>number != 0<\/code><\/li><li>In each iteration of loop<ul><li>Reduce the last digit from the number using floor division (<code> number = number \/\/ 10<\/code>) <\/li><li>Increment counter by 1<\/li><\/ul><\/li><li>print counter<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code6\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">75869<\/span>\ncount = <span class=\"hljs-number\">0<\/span>\n<span class=\"hljs-keyword\">while<\/span> num != <span class=\"hljs-number\">0<\/span>:\n    <span class=\"hljs-comment\"># floor division<\/span>\n    <span class=\"hljs-comment\"># to reduce the last digit from number<\/span>\n    num = num \/\/ <span class=\"hljs-number\">10<\/span>\n\n    <span class=\"hljs-comment\"># increment counter by 1<\/span>\n    count = count + <span class=\"hljs-number\">1<\/span>\nprint(<span class=\"hljs-string\">\"Total digits are:\"<\/span>, count)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code6', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code6');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-7-print-the-following-pattern\">Exercise 7: Print the following pattern<\/h3>\n\n\n\n<p>Write a program to use <code>for<\/code> loop to print the following reverse number pattern<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">5 4 3 2 1 \n4 3 2 1 \n3 2 1 \n2 1 \n1<\/pre>\n\n\n\n<p><strong>Refer<\/strong>: <a href=\"https:\/\/pynative.com\/print-pattern-python-examples\/\">Print patterns in Python<\/a><\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Set <code>row = 5<\/code> because the above pattern contains five rows<\/li><li>create an outer loop to iterate numbers from 1 to 5 using <code>for<\/code> loop and <code>range()<\/code> function<\/li><li>Create an inner loop inside the outer loop in such a way that in each iteration of the outer loop, the inner loop iteration will be reduced by <code>i<\/code>. <code>i<\/code> is the current number of an outer loop<\/li><li>In each iteration of the inner loop, print the iterator variable of the inner loop (<code>j<\/code>)<\/li><\/ul>\n\n\n\n<p><strong>Note<\/strong>:<\/p>\n\n\n\n<ul><li>In the first iteration of the outer loop inner loop execute five times.<\/li><li>In the second iteration of the outer loop inner loop execute four times.<\/li><li>In the last iteration of the outer loop, the inner loop will execute only once<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code7\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">n = <span class=\"hljs-number\">5<\/span>\nk = <span class=\"hljs-number\">5<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">0<\/span>,n+<span class=\"hljs-number\">1<\/span>):\n    <span class=\"hljs-keyword\">for<\/span> j <span class=\"hljs-keyword\">in<\/span> range(k-i,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">-1<\/span>):\n        print(j,end=<span class=\"hljs-string\">' '<\/span>)\n    print()<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code7', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code7');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-8-print-list-in-reverse-order-using-a-loop\">Exercise 8: Print list in reverse order using a loop<\/h3>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">list1 = &#91;<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>]<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">50\n40\n30\n20\n10<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<p><strong>Approach 1<\/strong>: Use the built-in function <code>reversed()<\/code> to reverse the list<\/p>\n\n\n\n<p><strong>Approach 2<\/strong>: Use for loop and the <code>len()<\/code> function<\/p>\n\n\n\n<ul><li>Get the size of a list using the <code>len(list1)<\/code> function<\/li><li>Use <code>for<\/code> loop and reverse <code>range()<\/code> to iterate index number in reverse order starting from length-1 to 0. In each iteration, i will be reduced by 1<\/li><li>In each iteration, print list item using <code>list1[i]<\/code>. i is the current value if the index<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\">\n<p><strong>Solution 1<\/strong>: Using a <code>reversed()<\/code> function and <code>for<\/code> loop<\/p>\n\n\n<div class=\"hljstoolbar\"><pre id=\"code8\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">list1 = &#91;<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>]\n<span class=\"hljs-comment\"># reverse list<\/span>\nnew_list = reversed(list1)\n<span class=\"hljs-comment\"># iterate reversed list<\/span>\n<span class=\"hljs-keyword\">for<\/span> item <span class=\"hljs-keyword\">in<\/span> new_list:\n    print(item)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code8', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code8');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div>\n\n\n<p><strong>Solution 2<\/strong>:  Using for loop and the <code>len()<\/code> function <\/p>\n\n\n<div class=\"hljstoolbar\"><pre id=\"code9\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">list1 = &#91;<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>]\n<span class=\"hljs-comment\"># get list size<\/span>\n<span class=\"hljs-comment\"># len(list1) -1: because index start with 0<\/span>\n<span class=\"hljs-comment\"># iterate list in reverse order<\/span>\n<span class=\"hljs-comment\"># star from last item to first<\/span>\nsize = len(list1) - <span class=\"hljs-number\">1<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(size, <span class=\"hljs-number\">-1<\/span>, <span class=\"hljs-number\">-1<\/span>):\n    print(list1&#91;i])\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code9', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code9');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-9-display-numbers-from-10-to-1-using-for-loop\">Exercise 9: Display numbers from -10 to -1 using for loop<\/h3>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">-10\n-9\n-8\n-7\n-6\n-5\n-4\n-3\n-2\n-1<\/pre>\n\n\n\n<p>See: <a href=\"https:\/\/pynative.com\/python-range-function\/#h-reverse-range\">Reverse range<\/a><\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code10\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">for<\/span> num <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">-10<\/span>, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">1<\/span>):\n    print(num)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code10', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code10');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-10-use-else-block-to-display-a-message-done-after-successful-execution-of-for-loop\">Exercise 10: Use else block to display a message &#8220;Done&#8221; after successful execution of for loop<\/h3>\n\n\n\n<p>For example, the following loop will execute without any error.<\/p>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">5<\/span>):\n    print(i)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">0\n1\n2\n3\n4\nDone!<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<p>Same as the&nbsp;<code>if<\/code>&nbsp;statement, Python allows us to use an else block along with <code>for<\/code> loop. <code>for<\/code> loop can have the&nbsp;<code>else<\/code>&nbsp;block, which&nbsp;<strong>will be executed when the loop terminates normally<\/strong>. See <a href=\"https:\/\/pynative.com\/python-for-loop\/#h-else-block-in-for-loop\">else block in for loop<\/a>.<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code11\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">5<\/span>):\n    print(i)\n<span class=\"hljs-keyword\">else<\/span>:\n    print(<span class=\"hljs-string\">\"Done!\"<\/span>)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code11', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code11');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-11-write-a-program-to-display-all-prime-numbers-within-a-range\">Exercise 11: Write a program to display all prime numbers within a range<\/h3>\n\n\n\n<p><strong>Note<\/strong>: A Prime Number is a number that&nbsp;cannot&nbsp;be made by multiplying other whole numbers. A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers<\/p>\n\n\n\n<p><strong>Examples<\/strong>:<\/p>\n\n\n\n<ul><li>6 is not a prime mumber because it can be made by 2\u00d73 = 6<\/li><li>37 is a prime number because no other whole numbers multiply together to make it.<\/li><\/ul>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># range<\/span>\nstart = <span class=\"hljs-number\">25<\/span>\nend = <span class=\"hljs-number\">50<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Prime numbers between 25 and 50 are:\n29\n31\n37\n41\n43\n47<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code12\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">start = <span class=\"hljs-number\">25<\/span>\nend = <span class=\"hljs-number\">50<\/span>\nprint(<span class=\"hljs-string\">\"Prime numbers between\"<\/span>, start, <span class=\"hljs-string\">\"and\"<\/span>, end, <span class=\"hljs-string\">\"are:\"<\/span>)\n\n<span class=\"hljs-keyword\">for<\/span> num <span class=\"hljs-keyword\">in<\/span> range(start, end + <span class=\"hljs-number\">1<\/span>):\n    <span class=\"hljs-comment\"># all prime numbers are greater than 1<\/span>\n    <span class=\"hljs-comment\"># if number is less than or equal to 1, it is not prime<\/span>\n    <span class=\"hljs-keyword\">if<\/span> num &gt; <span class=\"hljs-number\">1<\/span>:\n        <span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">2<\/span>, num):\n            <span class=\"hljs-comment\"># check for factors<\/span>\n            <span class=\"hljs-keyword\">if<\/span> (num % i) == <span class=\"hljs-number\">0<\/span>:\n                <span class=\"hljs-comment\"># not a prime number so break inner loop and<\/span>\n                <span class=\"hljs-comment\"># look for next number<\/span>\n                <span class=\"hljs-keyword\">break<\/span>\n        <span class=\"hljs-keyword\">else<\/span>:\n            print(num)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code12', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code12');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-12-display-fibonacci-series-up-to-10-terms\">Exercise 12: Display Fibonacci series up to 10 terms<\/h3>\n\n\n\n<p>The Fibonacci Sequence is a series of numbers. The next number is found by adding up the two numbers before it. The <strong>first two numbers are 0 and 1<\/strong>.<\/p>\n\n\n\n<p>For example, 0, 1, 1, 2, 3, 5, 8, 13, 21. The next number in this series above is 13+21 =&nbsp;34.<\/p>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Fibonacci sequence:\n0  1  1  2  3  5  8  13  21  34<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Set <code>num1 = 0<\/code> and <code>num2 =1<\/code> (first two numbers of the sequence)<\/li><li>Run loop ten times<\/li><li>In each iteration<ul><li>print <code>num1<\/code> as the current number of the sequence<\/li><li>Add last two numbers to get the next number <code>res = num1+ num2<\/code><\/li><li>update values of <code>num1<\/code> and <code>num2<\/code>. Set <code>num1=num2<\/code> and <code>num2=res<\/code><\/li><\/ul><\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code13\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-18\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># first two numbers<\/span>\nnum1, num2 = <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">1<\/span>\n\nprint(<span class=\"hljs-string\">\"Fibonacci sequence:\"<\/span>)\n<span class=\"hljs-comment\"># run loop 10 times<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">10<\/span>):\n    <span class=\"hljs-comment\"># print next number of a series<\/span>\n    print(num1, end=<span class=\"hljs-string\">\"  \"<\/span>)\n    <span class=\"hljs-comment\"># add last two numbers to get next number<\/span>\n    res = num1 + num2\n\n    <span class=\"hljs-comment\"># update values<\/span>\n    num1 = num2\n    num2 = res\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code13', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code13');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-13-find-the-factorial-of-a-given-number\">Exercise 13: Find the factorial of a given number<\/h3>\n\n\n\n<p>Write a program to use the loop to find the factorial of a given number.<\/p>\n\n\n\n<p>The factorial (symbol: <code>!<\/code>) means to multiply all whole numbers from the chosen number down to 1.<\/p>\n\n\n\n<p><strong>For example<\/strong>: calculate the factorial of 5<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">5! = 5 \u00d7 4 \u00d7 3 \u00d7 2 \u00d7 1 = 120<\/pre>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">120<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Set variable <code>factorial =1<\/code> to store factorial of a given number<\/li><li>Iterate numbers starting from 1 to the given number <code>n<\/code> using for loop and <code>range()<\/code> function. (here, the loop will run five times because <code>n<\/code> is 5)<\/li><li>In each iteration, multiply factorial by the current number and assign it again to a factorial variable (<code>factorial = factorial *i<\/code>)<\/li><li>After the loop completes, print <code>factorial<\/code><\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code14\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-19\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">5<\/span>\nfactorial = <span class=\"hljs-number\">1<\/span>\n<span class=\"hljs-keyword\">if<\/span> num &lt; <span class=\"hljs-number\">0<\/span>:\n    print(<span class=\"hljs-string\">\"Factorial does not exist for negative numbers\"<\/span>)\n<span class=\"hljs-keyword\">elif<\/span> num == <span class=\"hljs-number\">0<\/span>:\n    print(<span class=\"hljs-string\">\"The factorial of 0 is 1\"<\/span>)\n<span class=\"hljs-keyword\">else<\/span>:\n    <span class=\"hljs-comment\"># run loop 5 times<\/span>\n    <span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, num + <span class=\"hljs-number\">1<\/span>):\n        <span class=\"hljs-comment\"># multiply factorial by current number<\/span>\n        factorial = factorial * i\n    print(<span class=\"hljs-string\">\"The factorial of\"<\/span>, num, <span class=\"hljs-string\">\"is\"<\/span>, factorial)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code14', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code14');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-14-reverse-a-given-integer-number\">Exercise 14: Reverse a given integer number<\/h3>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n\n<p>76542<\/p>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<p>24567<\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code15\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-20\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">76542<\/span>\nreverse_number = <span class=\"hljs-number\">0<\/span>\nprint(<span class=\"hljs-string\">\"Given Number \"<\/span>, num)\n<span class=\"hljs-keyword\">while<\/span> num &gt; <span class=\"hljs-number\">0<\/span>:\n    reminder = num % <span class=\"hljs-number\">10<\/span>\n    reverse_number = (reverse_number * <span class=\"hljs-number\">10<\/span>) + reminder\n    num = num \/\/ <span class=\"hljs-number\">10<\/span>\nprint(<span class=\"hljs-string\">\"Revere Number \"<\/span>, reverse_number)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-20\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code15', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code15');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-15-use-a-loop-to-display-elements-from-a-given-list-present-at-odd-index-positions\">Exercise 15: Use a loop to display elements from a given list present at odd index positions<\/h3>\n\n\n\n<p><strong>Given:<\/strong><\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-21\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">my_list = &#91;<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>, <span class=\"hljs-number\">60<\/span>, <span class=\"hljs-number\">70<\/span>, <span class=\"hljs-number\">80<\/span>, <span class=\"hljs-number\">90<\/span>, <span class=\"hljs-number\">100<\/span>]<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-21\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Note<\/strong>: <a href=\"https:\/\/pynative.com\/python-lists\/\">list<\/a> index always starts at 0<\/p>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">20 40 60 80 100<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<p>Use list slicing. Using list slicing, we can access a range of elements from a list<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code16\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-22\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">my_list = &#91;<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>, <span class=\"hljs-number\">60<\/span>, <span class=\"hljs-number\">70<\/span>, <span class=\"hljs-number\">80<\/span>, <span class=\"hljs-number\">90<\/span>, <span class=\"hljs-number\">100<\/span>]\n<span class=\"hljs-comment\"># stat from index 1 with step 2( means 1, 3, 5, an so on)<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> my_list&#91;<span class=\"hljs-number\">1<\/span>::<span class=\"hljs-number\">2<\/span>]:\n    print(i, end=<span class=\"hljs-string\">\" \"<\/span>)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-22\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code16', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code16');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-16-calculate-the-cube-of-all-numbers-from-1-to-a-given-number\">Exercise 16: Calculate the cube of all numbers from 1 to a given number<\/h3>\n\n\n\n<p id=\"h-exercise-16-display-the-cube-of-the-number-up-to-a-given-integer\">Write a program to rint the cube of all numbers from 1 to a given number<\/p>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n\n<p><code>input_number = 6<\/code><\/p>\n\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Current Number is : 1  and the cube is 1\nCurrent Number is : 2  and the cube is 8\nCurrent Number is : 3  and the cube is 27\nCurrent Number is : 4  and the cube is 64\nCurrent Number is : 5  and the cube is 125\nCurrent Number is : 6  and the cube is 216<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<ul><li>Iterate numbers from 1 to <code>n<\/code> using for loop and <code>range()<\/code> function<\/li><li>In each iteration of a loop, calculate the cube of a current number (<code>i<\/code>) by multiplying itself three times (<code>c = i * i* i)<\/code><\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code17\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-23\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">input_number = <span class=\"hljs-number\">6<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">1<\/span>, input_number + <span class=\"hljs-number\">1<\/span>):\n    print(<span class=\"hljs-string\">\"Current Number is :\"<\/span>, i, <span class=\"hljs-string\">\" and the cube is\"<\/span>, (i * i * i))<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-23\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code17', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code17');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-17-find-the-sum-of-the-series-upto-n-terms\">Exercise 17: Find the sum of the series upto n terms<\/h3>\n\n\n\n<p>Write a program to calculate the sum of series up to n term. For example, if <code>n =5<\/code> the series will become 2 + 22 + 222 + 2222 + 22222 = 24690<\/p>\n\n\n\n<p><strong>Given<\/strong>:<\/p>\n\n\n<pre id=\"syntax\" class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-24\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\"><span class=\"hljs-comment\"># number of terms<\/span>\nn = <span class=\"hljs-number\">5<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-24\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p><strong>Expected output:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">24690<\/pre>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code18\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-25\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">n = <span class=\"hljs-number\">5<\/span>\n<span class=\"hljs-comment\"># first number of sequence<\/span>\nstart = <span class=\"hljs-number\">2<\/span>\nsum_seq = <span class=\"hljs-number\">0<\/span>\n\n<span class=\"hljs-comment\"># run loop n times<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">0<\/span>, n):\n    print(start, end=<span class=\"hljs-string\">\"+\"<\/span>)\n    sum_seq += start\n    <span class=\"hljs-comment\"># calculate the next term<\/span>\n    start = start * <span class=\"hljs-number\">10<\/span> + <span class=\"hljs-number\">2<\/span>\nprint(<span class=\"hljs-string\">\"\\nSum of above series is:\"<\/span>, sum_seq)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-25\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code18', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code18');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-18-print-the-following-pattern\">Exercise 18: Print the following pattern<\/h3>\n\n\n\n<p>Write a program to print the following start pattern using the <code>for<\/code> loop<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">* \n* * \n* * * \n* * * * \n* * * * * \n* * * * \n* * * \n* * \n*<\/pre>\n\n\n\n<p><strong>Refer<\/strong>: <a href=\"https:\/\/pynative.com\/print-pattern-python-examples\/\">Print Patterns In Python<\/a><\/p>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion hint gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Hint<\/summary><div class=\"gb-accordion-text\">\n<p>Use two for loops. First for loop to print the upper pattern and second for loop to print lower pattern<\/p>\n\n\n\n<p><strong>First Pattern<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">* \n* * \n* * * \n* * * * \n* * * * * <\/pre>\n\n\n\n<p><strong>Second Pattern<\/strong>: <\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">* * * * \n* * * \n* * \n*<\/pre>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-genesis-blocks-gb-accordion gb-block-accordion\"><details><summary class=\"gb-accordion-title\">Show Solution<\/summary><div class=\"gb-accordion-text\"><div class=\"hljstoolbar\"><pre id=\"code19\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-26\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">rows = <span class=\"hljs-number\">5<\/span>\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">0<\/span>, rows):\n    <span class=\"hljs-keyword\">for<\/span> j <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">0<\/span>, i + <span class=\"hljs-number\">1<\/span>):\n        print(<span class=\"hljs-string\">\"*\"<\/span>, end=<span class=\"hljs-string\">' '<\/span>)\n    print(<span class=\"hljs-string\">\"\\r\"<\/span>)\n\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> range(rows, <span class=\"hljs-number\">0<\/span>, <span class=\"hljs-number\">-1<\/span>):\n    <span class=\"hljs-keyword\">for<\/span> j <span class=\"hljs-keyword\">in<\/span> range(<span class=\"hljs-number\">0<\/span>, i - <span class=\"hljs-number\">1<\/span>):\n        print(<span class=\"hljs-string\">\"*\"<\/span>, end=<span class=\"hljs-string\">' '<\/span>)\n    print(<span class=\"hljs-string\">\"\\r\"<\/span>)\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-26\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">Python<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">python<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><button class=\"hljs-copy-button\" onclick=\"copy_code('code19', this);\"><i class=\"far fa-copy1\" aria-hidden=\"true\"><\/i><\/button><button class=\"hljs-run-button\" onclick=\"run_code('code19');\"><i class=\"far fa-play-circle\" aria-hidden=\"true\"><\/i> Run<\/button><\/div><\/div><\/details><\/div>\n","protected":false},"excerpt":{"rendered":"<p>To decide and control the flow of a program, we have branching and looping techniques in Python. A good understanding of loops and if-else statements is necessary to write efficient programs in Python. This Python loop exercise aims to help Python developers to learn and practice if-else conditions, for loop, range() function, and while loop. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[22,1,8],"tags":[30],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v22.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python for loop and if else Exercises [10 Exercise Programs]<\/title>\n<meta name=\"description\" content=\"This Python for loop and if else exercise aims to help Python developers to learn and practice if-else conditions, for loop, and while loop\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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