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Python Lists MCQs: Exam Practice for List Concepts
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Q121

What will be the output of the following Python code?

a=[13,56,17]
a.append([87])
a.extend([45,67])
print(a)

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Q122

What will be the output of the following Python code?

data = [[[1, 2], [3, 4]], [[5, 6], [7, 8]]]
 
print(data[1][0][0])

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Q123

What will be the output of the following Python code?

numbers = [1, 2, 3, 4]
 
numbers.append([5,6,7,8])
 
print(len(numbers))

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Q124

Write a list comprehension to produce the list: [1, 2, 4, 8, 16......212].

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Q125

Which of the following matrices will throw an error in Python?

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Q126

Suppose listExample is [3, 4, 5, 20, 5, 25, 1, 3], what is list1 after listExample.extend([34, 5])?

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Q127

What will be the output of the following Python code?

A = [[1, 2, 3],
     [4, 5, 6],
     [7, 8, 9]]
B = [[3, 3, 3],
     [4, 4, 4],
     [5, 5, 5]]
[[col1 * col2 for (col1, col2) in zip(row1, row2)] for (row1, row2) in zip(A, B)]

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Q128

What will be the output of the following Python code?

>>>"Welcome to Python".split()

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Q129

What will be the output of the following Python code?

num = ['One', 'Two', 'Three']
for i, x in enumerate(num):
    print('{}: {}'.format(i, x),end=" ")

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Q130

What will be the output of the following Python code?

>>>list("a#b#c#d".split('#'))

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Q131

What will be the output of the following Python code?

def change(var, lst):
    var = 1
    lst[0] = 44
k = 3
a = [1, 2, 3]
change(k, a)
print(k)
print(a)

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Q132

Which of the following commands will create a list?

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Q133

What is the list comprehension equivalent for?

{x : x is a whole number less than 20, x is even}    (including zero)

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Q134

What will be the output of the following Python code?

values = [[3, 4, 5, 1], [33, 6, 1, 2]]
 
v = values[0][0]
for lst in values:
    for element in lst:
        if v > element:
            v = element
 
print(v)

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Q135

What will be the output of the following Python code?

l=["good", "oh!", "excellent!", "#450"]
[n for n in l if n.isalpha() or n.isdigit()]

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Q136

Which of the following is the same as list(map(lambda x: x**-1, [1, 2, 3]))?

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Q137

What will be the output of the following Python code?

myList = [1, 2, 3, 4, 5, 6]
for i in range(1, 6):
    myList[i - 1] = myList[i]
 
for i in range(0, 6): 
    print(myList[i], end = " ")

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Q138

Suppose list1 is [2, 33, 222, 14, 25], What is list1[-1]?

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Q139

How many elements are in m?

m = [[x, y] for x in range(0, 4) for y in range(0, 4)]

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Q140

Write the list comprehension to pick out only negative integers from a given list 'l'.

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