ExamAdept

What is the purpose of the tuple.__contains__(element) method?

A:

Checks if the tuple contains the specified element.

B:

Adds the specified element to the tuple.

C:

Removes the specified element from the tuple.

D:

Returns the count of occurrences of the specified element.

Answer: A

The __contains__ method is used to check if the tuple contains a specified element.

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What is the output of the expression tuple('python')[::-1]?

A:

('n', 'o', 'h', 't', 'y', 'p')

B:

('p', 'y', 't', 'h', 'o', 'n')

C:

['n', 'o', 'h', 't', 'y', 'p']

D:

('n', 'o', 'h', 't', 'y', 'p')

Answer: A

The [::-1] slice reverses the order of elements in the tuple.

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What is the purpose of the tuple.extend() method?

A:

Extends the size of the tuple.

B:

Adds elements to the end of the tuple.

C:

Merges two tuples into a new one.

D:

Raises a TypeError

Answer: D

The tuple type in Python does not have an extend() method.

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How can you delete an entire tuple?

A:

delete(tuple)

B:

del tuple

C:

tuple.delete()

D:

tuple.clear()

Answer: B

The del keyword is used to delete a tuple.

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What is the result of the expression tuple(('cat', 'dog', 'rabbit')) * 2?

A:

('cat', 'dog', 'rabbit', 'cat', 'dog', 'rabbit')

B:

['cat', 'dog', 'rabbit', 'cat', 'dog', 'rabbit']

C:

(('cat', 'dog', 'rabbit'), ('cat', 'dog', 'rabbit'))

D:

('catdograbbit', 'catdograbbit')

Answer: A

The '*' operator is used to repeat the elements of the tuple.

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Questions for: Tuples