Python List Quiz

1. What is the output of the following

aList = [1, 2, 3, 4, 5, 6, 7]
pow2 =  [2 * x for x in aList]
print(pow2)

2. What is the output of the following

aList = [5, 10, 15, 25]
print(aList[::-2])

3. What is the output of the following code

my_list = ["Hello", "Python"]
print("-".join(my_list))

4. What is the output of the following code

aList = ["PYnative", [4, 8, 12, 16]]
print(aList[0][1])    
print(aList[1][3])

5. What is the output of the following list operation

aList = [10, 20, 30, 40, 50, 60, 70, 80]
print(aList[2:5])
print(aList[:4])
print(aList[3:])

6. What is the output of the following code?

sampleList = [10, 20, 30, 40]
del sampleList[0:6]
print(sampleList)

7. What is the output of the following list operation

sampleList = [10, 20, 30, 40, 50]
print(sampleList[-2])
print(sampleList[-4:-1])

8. What is the output of the following list assignment

aList = [4, 8, 12, 16]
aList[1:4] = [20, 24, 28]
print(aList)

9. What is the output of the following list comprehension

resList = [x+y for x in ['Hello ', 'Good '] for y in ['Dear', 'Bye']]
print(resList)

10. What is the output of the following code

list1 = ['xyz', 'zara', 'PYnative']
print (max(list1))

11. What is the output of the following list function?

sampleList = [10, 20, 30, 40, 50]
sampleList.pop()
print(sampleList)

sampleList.pop(2)
print(sampleList)

12. What is the output of the following list function?

sampleList = [10, 20, 30, 40, 50]
sampleList.append(60)
print(sampleList)

sampleList.append(60)
print(sampleList)

13. Select all the correct options to copy a list

aList = ['a', 'b', 'c', 'd']

14. In Python, list is mutable

15. Select all the correct options to join two lists in Python

listOne  =  ['a', 'b', 'c', 'd']
listTwo =  ['e', 'f', 'g']

16. What is the output of the following

l = [None] * 10
print(len(l))