ExamAdept

Which of the following methods is used to find the index of the last occurrence of a specific element in a tuple?

A:

tuple.last_index(element)

B:

tuple.index_last(element)

C:

tuple.index(element, -1)

D:

tuple.find_last(element)

Answer: C

The index() method with a negative start parameter can be used to find the last occurrence of an element.

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What is the result of the expression (1, 2, 3) + (4,)?

A:

(1, 2, 3, 4)

B:

((1, 2, 3), (4,))

C:

[1, 2, 3, 4]

D:

(1, 2, 3, (4,))

Answer: A

The '+' operator concatenates the two tuples.

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What is the purpose of the tuple() constructor?

A:

Creates an empty tuple.

B:

Converts a list to a tuple.

C:

Converts a string to a tuple.

D:

All of the above.

Answer: D

The tuple() constructor can be used for various purposes, including creating an empty tuple and converting other data types to tuples.

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How do you unpack the elements of a tuple into separate variables?

A:

var1, var2, var3 = tuple

B:

var1 = tuple[0], var2 = tuple[1], var3 = tuple[2]

C:

var1 = unpack(tuple)

D:

var1, var2, var3 = unpack(tuple)

Answer: A

Using the unpacking syntax, you can assign the elements of a tuple to separate variables.

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What is the output of the expression min(('apple', 'orange', 'banana'))?

A:

'apple'

B:

'banana'

C:

'orange'

D:

Raises a TypeError

Answer: A

The min() function returns the smallest element in the tuple based on lexicographic order.

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Questions for: Tuples