PYTHON SET

Which of the following is the correct way to create an empty set in Python?

• • set = {}

• • set()

• • []

• • ()

How do you add an element 'x' to a set s?

• • s.add('x')

• • s.append('x')

• • s.insert('x')

• • s.extend('x')

What will be the result of the following code?

s = {1, 2, 3}

s.discard(4)

• • Raises a KeyError

• • Removes 4 from the set

• • adds 4 to the set

• • Does nothing

Which of the following operations will return the union of two sets a and b?

• • a.union(b)

• • a + b

• • a | b

• • Both A and C

What is the purpose of the difference() method in Python sets?

• • ATo find elements present in both sets

• • To find elements present in the first set but not in the second

• • To remove common elements

• • To add elements from two sets