Python Quiz 1

What is the output of the following

aList = [5, 10, 15, 25]

print(aList[::-2])

• · [15, 10, 5]

• · [10, 5]

• [25,10]

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, 4, 6, 8, 10, 12, 14]

• · [2, 4, 8, 16, 32, 64, 128]

• · [2, 4, 8, 16, 32, 64]

What is the output of the following code

my_list = ["Hello", "Python"]

print("-".join(my_list))

• HelloPython-

• Hello-Python

• -HelloPython

Select all the correct options to copy a list

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

• · newList = copy(aList)

• · newList = aList.copy()

• · newList.copy(aList)

• · newList = list(aList)

What is the output of the following code?

sampleList = [10, 20, 30, 40]

del sampleList[0:6]

print(sampleList)

• · []

• · list index out of range.

• · [10, 20]

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:])

• ·[20, 30, 40, 50]

  [10, 20, 30, 40]

  [30, 40, 50, 60, 70, 80]

• [30, 40, 50]

  [10, 20, 30, 40]

  [40, 50, 60, 70, 80]

What is the output of the following list comprehension

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

print(resList)

• [‘Hello Dear’, ‘Hello Bye’, ‘Good Dear’, ‘Good Bye’]

• [‘Hello Dear’, ‘Good Dear’, ‘Hello Bye’, ‘Good Bye’]

What is the output of the following code

aList = ["PYnative", [4, 8, 12, 16]]

print(aList[0][1])

print(aList[1][3])

• ·P 8

  Y 16

• ·P

  12

• · Y

  16

What is the output of the following list operation

sampleList = [10, 20, 30, 40, 50]

print(sampleList[-2])

print(sampleList[-4:-1])

• · 40

  [20, 30, 40]

• · IndexError: list index out of range

What is the output of the following list assignment

aList = [4, 8, 12, 16]

aList[1:4] = [20, 24, 28]

print(aList)

• ·[4, 20, 24, 28, 8, 12, 16]

• [4, 20, 24, 28]