Python Sets and Dictionaries Quiz

What is the correct syntax to create a set in Python?

• set = {1, 2, 3}

• set = [1, 2, 3]

• set = (1, 2, 3)

• set = <1, 2, 3>

Which of the following is not allowed in a set?

• Integer

• String

• List

• Tuple

Sets in Python are:

• Ordered

• Mutable

• Immutable

• Duplicated

What will be the output of: len({1, 2, 2, 3})?

• 2

• 3

• 4

• 5

How do you add an element to a set s?

• s.append(x)

• s.add(x)

• s.insert(x)

• s.extend(x)

Which of the following removes all elements from a set?

• s.remove()

• s.clear()

• del s[]

• s.popall()

The method discard() in sets:

• Removes the element and throws an error if not found

• Removes the element without error if not found

• Adds a new element

• Sorts the set

What is the result of {1, 2, 3}.union({3, 4})?

• {3, 4}

• {1, 2}

• {1, 2, 3, 4}

• {3}

Which of the following performs intersection in sets?

• &

• |

• -

• +

What does {1, 2, 3} - {2, 3} return?

• {1, 2}

• {2, 3}

• {1}

• {}