Question 1

Which of the following methods is used to find the length of a string in Python?

Accepted Answer

len()

Answer

size()

Answer

count()

Answer

length()

Question 2

What is the correct way to access the first character of a string 'Hello' in Python?

Accepted Answer

string[0]

Answer

string.first()

Answer

string(0)

Answer

string[1]

Question 3

What will be the output of 'Python'[1:4]?

Accepted Answer

'yth'

Answer

'on'

Answer

'Pytho'

Answer

'Pyt'

Question 4

What will be the result of the expression 'Python'.count('o')?

Accepted Answer

1

Answer

3

Answer

2

Answer

0

Question 5

Which method can be used to find the position of a substring within a string in Python?

Accepted Answer

find()

Answer

locate()

Answer

index()

Answer

search()

Question 6

What will be the result of the expression 'Hello, World!'.split() in Python?

Accepted Answer

['Hello,', 'World!']

Answer

['Hello', 'World!']

Answer

['Hello', 'World']

Answer

'Hello World!'

Question 7

What is the output of the expression 'Hello' + 'World' in Python?

Accepted Answer

'HelloWorld'

Answer

Hello World

Answer

HelloWorld!

Answer

Hello+World

Question 8

Which of the following statements correctly creates a set in Python?

Accepted Answer

my_set = {1, 2, 3}

Answer

my_set = {1; 2; 3}

Answer

my_set = (1, 2, 3)

Answer

my_set = [1, 2, 3]

Question 9

What does the set method 's.pop()' do in Python?

Accepted Answer

Removes and returns an arbitrary element from the set

Answer

Clears the entire set

Answer

Removes a specified element

Answer

Returns the size of the set

Question 10

What will happen if you try to add a duplicate element to a Python set, for example s = {1, 2, 2}?

Accepted Answer

{1, 2}

Answer

[1, 2]

Answer

{1, 2, 3}

Answer

{1, 2, 2}

Question 11

What is a key characteristic of a Python set?

Accepted Answer

It is unordered.

Answer

It is mutable.

Answer

It allows duplicates.

Answer

It is indexed.

Question 12

What is the result of the operation s1 = {1, 2}; s2 = {2, 3}; s3 = s1.union(s2)?

Accepted Answer

{1, 2, 3}

Answer

{1, 2}

Answer

{2, 3}

Answer

{1, 2, 2, 3}

Question 13

What will be the output of the following code: s = {1, 2, 3}; print(3 in s)?

Accepted Answer

True

Answer

False

Answer

Error

Answer

None

Question 14

What will the following code snippet return: s = {1, 2, 3}; s.discard(2); print(s)?

Accepted Answer

{1, 3}

Answer

{1, 2, 3}

Answer

{2, 3}

Answer

{1, 2}

Question 15

Which of the following denotes the symmetric difference of two sets in Python?

Accepted Answer

set1 ^ set2

Answer

set1 & set2

Answer

set1 | set2

Answer

set1 - set2

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