Python Multiple Choice Questions – Mapping Functions

This set of Python Interview Questions & Answers focuses on “Mapping Functions”.

1. What will be the output of the following Python code?

elements = [0, 1, 2]
def incr(x):
    return x+1
print(list(map(elements, incr)))

a) [1, 2, 3]
b) [0, 1, 2]
c) error
d) none of the mentioned
View Answer

2. What will be the output of the following Python code?

elements = [0, 1, 2]
def incr(x):
    return x+1
print(list(map(incr, elements)))

a) [1, 2, 3]
b) [0, 1, 2]
c) error
d) none of the mentioned
View Answer

3. What will be the output of the following Python code?

x = ['ab', 'cd']
print(list(map(upper, x)))

a) [‘AB’, ‘CD’]
b) [‘ab’, ‘cd’]
c) error
d) none of the mentioned
View Answer

4. What will be the output of the following Python code?

def to_upper(k):
    return k.upper()
x = ['ab', 'cd']
print(list(map(upper, x)))

a) [‘AB’, ‘CD’]
b) [‘ab’, ‘cd’]
c) none of the mentioned
d) error
View Answer

5. What will be the output of the following Python code?

def to_upper(k):
    return k.upper()
x = ['ab', 'cd']
print(list(map(to_upper, x)))

a) [‘AB’, ‘CD’]
b) [‘ab’, ‘cd’]
c) none of the mentioned
d) error
View Answer

6. What will be the output of the following Python code?

def to_upper(k):
    k.upper()
x = ['ab', 'cd']
print(list(map(to_upper, x)))

a) [‘AB’, ‘CD’]
b) [‘ab’, ‘cd’]
c) none of the mentioned
d) error
View Answer

7. What will be the output of the following Python code?

x = ['ab', 'cd']
print(map(len, x))

a) [‘ab’, ‘cd’]
b) [2, 2]
c) [‘2’, ‘2’]
d) none of the mentioned
View Answer

8. What will be the output of the following Python code?

x = ['ab', 'cd']
print(list(map(len, x)))

a) [‘ab’, ‘cd’]
b) [2, 2]
c) [‘2’, ‘2’]
d) none of the mentioned
View Answer

9. What will be the output of the following Python code?

x = ['ab', 'cd']
print(len(map(list, x)))

a) [2, 2]
b) 2
c) 4
d) none of the mentioned
View Answer

10. What will be the output of the following Python code?

x = ['ab', 'cd']
print(len(list(map(list, x))))

a) 2
b) 4
c) error
d) none of the mentioned
View Answer

More MCQs on Python Mapping Functions:

• Python Mapping Functions MCQ (Set 2)
• Python Mapping Functions MCQ (Set 3)

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