{"id":5970,"date":"2020-02-23T21:19:00","date_gmt":"2020-02-23T15:49:00","guid":{"rendered":"https:\/\/pynative.com\/?p=5970"},"modified":"2021-09-06T11:07:35","modified_gmt":"2021-09-06T05:37:35","slug":"python-input-and-output-exercise","status":"publish","type":"post","link":"https:\/\/pynative.com\/python-input-and-output-exercise\/","title":{"rendered":"Python Input and Output Exercise"},"content":{"rendered":"\n<p>In Python, we can use the <code>input()<\/code> to accept input from a user and <code>print()<\/code> to display output on the console. Also, we can use Python for file handling (Reading, writing, appending, and deleting files). <\/p>\n\n\n\n<p>This Python Input and Output exercise aims to help Python developers to <strong>learn and practice <\/strong>the Python built-in functions <code>print()<\/code> and <code>input()<\/code> to perform <strong>input and output tasks<\/strong>. Also, we will solve exercises to <strong>practice file handling<\/strong> in Python.<\/p>\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-input-function-get-user-input\/\">Python input and Output<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python\/file-handling\/\">Pytohn File Handling<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-input-and-output-quiz\/\">Python Input and Output Quiz<\/a><\/li><\/ul>\n<\/div>\n<\/div>\n\n\n\n<p><strong>This Input and Output exercise includes the following<\/strong>: &#8211;<br><\/p>\n\n\n\n<ul><li>The exercise contains 10 questions and solutions provided for each question.<\/li><li>When you complete each question, you get more familiar with the Python Input and Output.<\/li><li>Let us know if you have any alternative solutions. It will help other developers.<\/li><\/ul>\n\n\n\n<p><strong>Use<\/strong> <a href=\"https:\/\/pynative.com\/online-python-code-editor-to-execute-python-code\/\" target=\"_blank\" rel=\"noreferrer noopener\">Online Code Editor<\/a> <strong>to solve exercise questions<\/strong>.<\/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-accept-numbers-from-a-user\" data-level=\"3\">Exercise 1: Accept numbers from a user<\/a><\/li><li><a href=\"#h-exercise-2-display-three-string-name-is-james-as-name-is-james\" data-level=\"3\">Exercise 2: Display three string &#8220;Name&#8221;, &#8220;Is&#8221;, &#8220;James&#8221; as &#8220;Name**Is**James&#8221;<\/a><\/li><li><a href=\"#h-exercise-3-convert-decimal-number-to-octal-using-print-output-formatting\" data-level=\"3\">Exercise 3: Convert Decimal number to octal using print() output formatting<\/a><\/li><li><a href=\"#h-exercise-4-display-float-number-with-2-decimal-places-using-print\" data-level=\"3\">Exercise 4: Display float number with 2 decimal places using print()<\/a><\/li><li><a href=\"#h-exercise-5-accept-a-list-of-5-float-numbers-as-an-input-from-the-user\" data-level=\"3\">Exercise 5: Accept a list of 5 float numbers as an input from the user<\/a><\/li><li><a href=\"#h-exercise-6-write-all-content-of-a-given-file-into-a-new-file-by-skipping-line-number-5\" data-level=\"3\">Exercise 6: Write all content of a given file into a new file by skipping line number 5<\/a><\/li><li><a href=\"#h-exercise-7-accept-any-three-string-from-one-input-call\" data-level=\"3\">Exercise 7: Accept any three string from one input() call<\/a><\/li><li><a href=\"#h-exercise-8-format-variables-using-a-string-format-method\" data-level=\"3\">Exercise 8: Format variables using a string.format() method.<\/a><\/li><li><a href=\"#h-exercise-9-check-file-is-empty-or-not\" data-level=\"3\">Exercise 9: Check file is empty or not<\/a><\/li><li><a href=\"#h-exercise-10-read-line-number-4-from-the-following-file\" data-level=\"3\">Exercise 10: Read line number 4 from the following file<\/a><\/li><\/ul><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-1-accept-numbers-from-a-user\">Exercise 1: Accept numbers from a user<\/h3>\n\n\n\n<p>Write a program to accept two numbers from the user and calculate multiplication<\/p>\n\n\n\n<p><strong>Help<\/strong>: <a href=\"https:\/\/pynative.com\/python-input-function-get-user-input\/\">Take user input 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 Python 3&#8217;s built-in function <code>input()<\/code> to accept user input<\/li><li>Convert user input to the integer type using the <code>int()<\/code> constructor.<\/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=\"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\">num1 = int(input(<span class=\"hljs-string\">\"Enter first number \"<\/span>))\nnum2 = int(input(<span class=\"hljs-string\">\"Enter second number \"<\/span>))\n\nres = num1 * num2\nprint(<span class=\"hljs-string\">\"Multiplication is\"<\/span>, res)\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-display-three-string-name-is-james-as-name-is-james\">Exercise 2: Display three string &#8220;Name&#8221;, &#8220;Is&#8221;, &#8220;James&#8221; as &#8220;Name**Is**James&#8221;<\/h3>\n\n\n\n<p>Use the <code>print()<\/code> function to format the given words in the mentioned format. Display the <code>**<\/code> separator between each string.<\/p>\n\n\n\n<p><strong>Expected Output<\/strong>:<\/p>\n\n\n\n<p>For example: <code>print('Name', 'Is', 'James')<\/code> will display <code>Name**Is**James<\/code><\/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 the <code>sep<\/code> parameter of the <code>print()<\/code> function to define the separator symbol between each word.<\/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=\"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\">'My'<\/span>, <span class=\"hljs-string\">'Name'<\/span>, <span class=\"hljs-string\">'Is'<\/span>, <span class=\"hljs-string\">'James'<\/span>, sep=<span class=\"hljs-string\">'**'<\/span>)<\/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-convert-decimal-number-to-octal-using-print-output-formatting\">Exercise 3: Convert Decimal number to octal using <code>print()<\/code> output formatting<\/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-3\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">8<\/span><\/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>\n\n\n<p><strong>Expected Output<\/strong>:<\/p>\n\n\n\n<p>The octal number of decimal number 8 is 10<\/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 the <code>%o<\/code> formatting code in print() function to format decimal number to octal.<\/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=\"code3\"  class=\"wp-block-code language-python\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">8<\/span>\nprint(<span class=\"hljs-string\">'%o'<\/span> % num)\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><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><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-4-display-float-number-with-2-decimal-places-using-print\">Exercise 4: Display float number with 2 decimal places using <code>print()<\/code><\/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-5\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">num = <span class=\"hljs-number\">458.541315<\/span><\/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>\n\n\n<p><strong>Expected Output<\/strong>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">458.54<\/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 the <code>%.2f<\/code> formatting code in <code>print()<\/code> function to format float number to two decimal places.<\/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=\"code4\"  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\">num = <span class=\"hljs-number\">458.541315<\/span>\nprint(<span class=\"hljs-string\">'%.2f'<\/span> % num)<\/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><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-accept-a-list-of-5-float-numbers-as-an-input-from-the-user\">Exercise 5: Accept a list of 5 float numbers as an input from the user<\/h3>\n\n\n\n<p>Refer: <\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python-accept-list-input-from-user\/\">Take list as a input in Python<\/a>.<\/li><li><a href=\"https:\/\/pynative.com\/python-lists\/\">Python list<\/a><\/li><\/ul>\n\n\n\n<p><strong>Expected Output<\/strong>:<\/p>\n\n\n\n<p><code>[78.6, 78.6, 85.3, 1.2, 3.5]<\/code><\/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>Create a list variable named <code>numbers<\/code><\/li><li>Run loop five times<\/li><li>In each iteration of the loop, use the <code>input()<\/code> function to take input from a user<\/li><li>Convert user input to float number using the <code>float()<\/code> constructor<\/li><li>Add float number to the <code>numbers<\/code> list using the <code>append()<\/code> function<\/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><\/details><\/div>\n\n\n<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;]\n\n<span class=\"hljs-comment\"># 5 is the list size<\/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\">0<\/span>, <span class=\"hljs-number\">5<\/span>):\n    print(<span class=\"hljs-string\">\"Enter number at location\"<\/span>, i, <span class=\"hljs-string\">\":\"<\/span>)\n    <span class=\"hljs-comment\"># accept float number from user<\/span>\n    item = float(input())\n    <span class=\"hljs-comment\"># add it to the list<\/span>\n    numbers.append(item)\n\nprint(<span class=\"hljs-string\">\"User List:\"<\/span>, numbers)<\/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>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-6-write-all-content-of-a-given-file-into-a-new-file-by-skipping-line-number-5\">Exercise 6: Write all content of a given file into a new file by skipping line number 5<\/h3>\n\n\n\n<p><strong>See<\/strong>:<\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python\/file-handling\/\">Python file handling<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-read-file\/\">Python Read file<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-write-file\/\">Python write file<\/a><\/li><\/ul>\n\n\n\n<p>Create a test.txt file and add the below content to it.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Given<\/strong> <strong>test.txt<\/strong> file:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">line1\nline2\nline3\nline4\nline5\nline6\nline7<\/pre>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Expected Output:<\/strong> <code>new_file.txt<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">line1\nline2\nline3\nline4\nline6\nline7<\/pre>\n<\/div>\n<\/div>\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><a href=\"https:\/\/pynative.com\/python-read-file\/#h-readlines-reading-file-into-list\">Read all lines<\/a> from a test.txt file using the <code>readlines()<\/code> method. This method returns all lines from a file as a list<\/li><li>Open new text file in write mode (<code>w<\/code>)<\/li><li>Set <code>counter = 0<\/code><\/li><li>Iterate each line from a list<\/li><li>if the counter is 4, skip that line, else write that line in a new text file using the <code>write()<\/code> method<\/li><li>Increment counter by 1 in each iteration<\/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\"  id=\"norun\" 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\"><span class=\"hljs-comment\"># read test.txt<\/span>\n<span class=\"hljs-keyword\">with<\/span> open(<span class=\"hljs-string\">\"test.txt\"<\/span>, <span class=\"hljs-string\">\"r\"<\/span>) <span class=\"hljs-keyword\">as<\/span> fp:\n    <span class=\"hljs-comment\"># read all lines from a file<\/span>\n    lines = fp.readlines()\n\n<span class=\"hljs-comment\"># open new file in write mode<\/span>\n<span class=\"hljs-keyword\">with<\/span> open(<span class=\"hljs-string\">\"new_file.txt\"<\/span>, <span class=\"hljs-string\">\"w\"<\/span>) <span class=\"hljs-keyword\">as<\/span> fp:\n    count = <span class=\"hljs-number\">0<\/span>\n    <span class=\"hljs-comment\"># iterate each lines from a test.txt<\/span>\n    <span class=\"hljs-keyword\">for<\/span> line <span class=\"hljs-keyword\">in<\/span> lines:\n        <span class=\"hljs-comment\"># skip 5th lines<\/span>\n        <span class=\"hljs-keyword\">if<\/span> count == <span class=\"hljs-number\">4<\/span>:\n            count += <span class=\"hljs-number\">1<\/span>\n            <span class=\"hljs-keyword\">continue<\/span>\n        <span class=\"hljs-keyword\">else<\/span>:\n            <span class=\"hljs-comment\"># write current line<\/span>\n            fp.write(line)\n        <span class=\"hljs-comment\"># in each iteration reduce the count<\/span>\n        count += <span class=\"hljs-number\">1<\/span>\n<\/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><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-7-accept-any-three-string-from-one-input-call\">Exercise 7: Accept any three string from one input() call<\/h3>\n\n\n\n<p>Write a program to take three names as input from a user in the single <code>input()<\/code> function call.<\/p>\n\n\n\n<p><strong>See<\/strong>: <a href=\"https:\/\/pynative.com\/python-input-function-get-user-input\/#h-get-multiple-inputs-from-a-user-in-one-line\">Get multiple inputs from a user in one line<\/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>Ask the user to enter three names separated by space<\/li><li>Split input string on whitespace using the <code>split()<\/code> function to get three individual names<\/li><\/ul>\n<\/div><\/details><\/div>\n\n\n\n<p><strong>Expected Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Enter three string Emma Jessa Kelly\nName1: Emma\nName2: Jessa\nName3: Kelly\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=\"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\">str1, str2, str3 = input(<span class=\"hljs-string\">\"Enter three string\"<\/span>).split()\nprint(<span class=\"hljs-string\">'Name1:'<\/span>, str1)\nprint(<span class=\"hljs-string\">'Name2:'<\/span>, str2)\nprint(<span class=\"hljs-string\">'Name3:'<\/span>, str3)<\/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-format-variables-using-a-string-format-method\">Exercise 8: Format variables using a <code>string.format()<\/code> method.<\/h3>\n\n\n\n<p>Write a program to use <code>string.format()<\/code> method to format the following three variables as per the expected output<\/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-10\" data-shcb-language-name=\"Python\" data-shcb-language-slug=\"python\"><span><code class=\"hljs language-python\">totalMoney = <span class=\"hljs-number\">1000<\/span>\nquantity = <span class=\"hljs-number\">3<\/span>\nprice = <span class=\"hljs-number\">450<\/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\">I have 1000 dollars so I can buy 3 football for 450.00 dollars.<\/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=\"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\">quantity = <span class=\"hljs-number\">3<\/span>\ntotalMoney = <span class=\"hljs-number\">1000<\/span>\nprice = <span class=\"hljs-number\">450<\/span>\nstatement1 = <span class=\"hljs-string\">\"I have {1} dollars so I can buy {0} football for {2:.2f} dollars.\"<\/span>\nprint(statement1.format(quantity, totalMoney, price))\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><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-9-check-file-is-empty-or-not\">Exercise 9: Check file is empty or not<\/h3>\n\n\n\n<p>Write a program to check if the given file is empty or not<\/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 <code>os.stat('file_name').st_size()<\/code> function to get the file size. if it is 0 then the file is empty.<\/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=\"code9\"  id=\"norun\" 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\"><span class=\"hljs-keyword\">import<\/span> os\n\nsize = os.stat(<span class=\"hljs-string\">\"test.txt\"<\/span>).st_size\n<span class=\"hljs-keyword\">if<\/span> size == <span class=\"hljs-number\">0<\/span>:\n    print(<span class=\"hljs-string\">'file is empty'<\/span>)\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><\/div><\/div><\/details><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercise-10-read-line-number-4-from-the-following-file\">Exercise 10: Read line number 4 from the following file<\/h3>\n\n\n\n<p>See: <\/p>\n\n\n\n<ul><li><a href=\"https:\/\/pynative.com\/python-read-specific-lines-from-a-file\/\">Read Specific Lines From a File in Python<\/a><\/li><li><a href=\"https:\/\/pynative.com\/python-read-file\/\">Python read file<\/a><\/li><\/ul>\n\n\n\n<p>Create a test.txt file and add the below content to it. <\/p>\n\n\n\n<p><strong>test.txt<\/strong> file:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">line1\nline2\nline3\nline4\nline5\nline6\nline7<\/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=\"code10\"  id=\"norun\" 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-comment\"># read file<\/span>\n<span class=\"hljs-keyword\">with<\/span> open(<span class=\"hljs-string\">\"test.txt\"<\/span>, <span class=\"hljs-string\">\"r\"<\/span>) <span class=\"hljs-keyword\">as<\/span> fp:\n    <span class=\"hljs-comment\"># read all lines from a file<\/span>\n    lines = fp.readlines()\n    <span class=\"hljs-comment\"># get line number 3<\/span>\n    print(lines&#91;<span class=\"hljs-number\">2<\/span>])\n<\/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><\/div>\n\n\n<p><strong>See<\/strong>:  <a style=\"font-size: revert;\" href=\"https:\/\/pynative.com\/python-read-specific-lines-from-a-file\/\">Read Specific Lines From a File in Python<\/a> for different solutions.<\/p>\n<\/div><\/details><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In Python, we can use the input() to accept input from a user and print() to display output on the console. Also, we can use Python for file handling (Reading, writing, appending, and deleting files). This Python Input and Output exercise aims to help Python developers to learn and practice the Python built-in functions print() [&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 Input and Output Exercise with Solution [10 Exercise Questions]<\/title>\n<meta name=\"description\" content=\"This Python Input and Output exercise aims to help Python developers to learn and practice input and output operations and file handling. 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