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Python Set Introduction

Question 1

Which of the following is not a valid set method in python?

add()

update()

insert()

clear()

Question 2

What happens if you try to add a duplicate element to a set in python?

It raises an error.

It adds the element without any error.

It replaces the existing element with the new one.

It removes the existing element.

Question 3

Which of the following operations can be performed on sets in python?

Union

Intersection

Subtraction

All of the above

Question 4

Which of the following methods can be used to remove an element from a set in python?

remove()

discard()

pop()

All of the above

Question 5

What is the output of the following code snippet?

my_set={1, 2, 3, 4}
my_set.discard(5)
print(my_set)

{1, 2, 3, 4}

{1, 2, 3, 4, 5}

{1, 2, 3}

An error is raised.

Question 6

Which of the following is a valid way to create an empty set in python?

new_set={}

new_set=set()

new_set=[]

new_set=set([])

Question 7

How do you check if an element is present in a set in python?

Using a for loop.

Using the in keyword.

Using the exists ( ) function.

Using the has ( ) method.

Question 8

What is a set in python?

A collection of elements in sequential order.

A collection of key-value pairs.

A collection of unordered, unique elements.

A collection of elements sorted in ascending order.

Question 9

What is the purpose of using a frozenset in python?

To create a mutable set.

To create an immutable set.

To create a sorted set.

To create a set with duplicate elements.

Question 10

What is the result of the following set operation?

set1 & set2

It returns the union of set1 and set2.

It returns the intersection of set1 and set2.

It returns the elements present in set1 but not in set2.

It returns the elements present in set2 but not in set1.

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