Python Questions and Answers – While and For Loops – 4

This set of Python Questions and Answers for Freshers focuses on “While and For Loops”.

1. What is the output of the following?

x = 123
for i in x:
    print(i)

a) 1 2 3
b) 123
c) error
d) none of the mentioned
View Answer

2. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for i in d:
    print(i)

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

3. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for x, y in d:
    print(x, y)

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

4. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for x, y in d.items():
    print(x, y)

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

5. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.keys():
    print(d[x])

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

6. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.values():
    print(x)

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

7. What is the output of the following?

d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.values():
    print(d[x])

a) 0 1 2
b) a b c
c) 0 a 1 b 2 c
d) none of the mentioned
View Answer

8. What is the output of the following?

d = {0, 1, 2}
for x in d.values():
    print(x)

a) 0 1 2
b) None None None
c) error
d) none of the mentioned
View Answer

9. What is the output of the following?

d = {0, 1, 2}
for x in d:
    print(x)

a) 0 1 2
b) {0, 1, 2} {0, 1, 2} {0, 1, 2}
c) error
d) none of the mentioned
View Answer

10. What is the output of the following?

d = {0, 1, 2}
for x in d:
    print(d.add(x))

a) 0 1 2
b) 0 1 2 0 1 2 0 1 2 …
c) None None None
d) None of the mentioned
View Answer

11. What is the output of the following?

for i in range(0):
    print(i)

a) 0
b) no output
c) error
d) none of the mentioned
View Answer

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