Python Data Types & Lists MCQs

Question 1

What does the Python 'range()' function return?

Accepted Answer

An immutable sequence of numbers that can be iterated over, generated lazily

Answer

A list of all even numbers up to a limit

Answer

A dictionary of key value pairs

Answer

A copy of an existing list

Question 2

What does Python's 'in' keyword check when used with a list, such as 'x in my_list'?

Accepted Answer

Whether the value x exists as an element somewhere within the list

Answer

Whether x is the first element of the list

Answer

Whether the list is completely empty

Answer

Whether x is a valid variable name

Question 3

What is a Python namedtuple used for?

Accepted Answer

It creates a lightweight, immutable object with named fields, combining the simplicity of a tuple with readable attribute access

Answer

It creates a mutable dictionary with default values

Answer

It permanently renames an existing tuple

Answer

It converts a list into a set automatically

Question 4

What is the difference between Python's 'append()' and 'insert()' methods for lists?

Accepted Answer

append() adds an item to the end of the list, while insert() adds an item at a specified index

Answer

append() adds an item at a specified index, while insert() always adds to the end

Answer

Both methods only work with strings, not with general list elements

Answer

append() removes an item while insert() adds one

Question 5

What does the Python expression 'list(range(5))' produce?

Accepted Answer

[0, 1, 2, 3, 4]

Answer

[1, 2, 3, 4, 5]

Answer

[0, 1, 2, 3, 4, 5]

Answer

[5, 4, 3, 2, 1, 0]

Question 6

What is the purpose of Python's 'sorted()' function compared to the list's own 'sort()' method?

Accepted Answer

sorted() returns a new sorted list without changing the original, while sort() sorts a list in place

Answer

sorted() only works on numbers, while sort() works on any data type

Answer

sort() always creates a new list, while sorted() changes the list in place

Answer

There is no difference between the two

Question 7

What does the Python 'del' statement do when used on a list element, such as 'del my_list[0]'?

Accepted Answer

It removes the element at that index from the list

Answer

It sets the element at that index to None without removing it

Answer

It deletes the entire list, not just one element

Answer

It only works on dictionaries, not lists

Question 8

What is the output of 'type([])' in Python?

Accepted Answer

Answer

Answer

Answer

Question 9

What is the result of list(set([1, 2, 2, 3, 4, 4])) in Python?

Accepted Answer

[1, 2, 3, 4]

Answer

[1, 2, 2, 3, 4, 4]

Answer

{1, 2, 3, 4}

Answer

TypeError

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