ExamAdept

What is the result of the expression set([1, 2, 2, 3, 4, 4, 5])?

A:

{1, 2, 3, 4, 5}

B:

[1, 2, 3, 4, 5]

C:

set([1, 2, 3, 4, 5])

D:

({1, 2, 2, 3, 4, 4, 5})

Answer: A

A set automatically removes duplicate elements, resulting in {1, 2, 3, 4, 5}.

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Which of the following methods is used to remove and return an arbitrary element from a set?

A:

set.remove(element)

B:

set.discard(element)

C:

set.pop()

D:

set.delete(element)

Answer: C

The pop() method removes and returns an arbitrary element from the set.

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How do you create an empty set?

A:

empty_set = set()

B:

empty_set = {}

C:

empty_set = set([])

D:

empty_set = set('')

Answer: A

An empty set can be created using the set() constructor.

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Which of the following statements about sets in Python is not correct?

A:

Elements within a set are unordered.

B:

Sets can contain duplicate elements.

C:

Sets can not be accessed using indices.

D:

Sets are mutable.

Answer: B

Sets in Python do not allow duplicate elements.

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How can you find the intersection of two sets?

A:

set1.join(set2)

B:

set1 & set2

C:

set1.intersect(set2)

D:

set1.intersection(set2)

Answer: D

The intersection() method is used to find the common elements between two sets.

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Questions for: Sets