Question 1

What type of collection is a list in Python?

Accepted Answer

An ordered and mutable collection of values.

Answer

An ordered collection of unique elements.

Answer

An unordered and immutable collection of values.

Answer

An unordered collection of key-value pairs.

Question 2

How can you access the last element of a list in Python?

Accepted Answer

Using the index -1.

Answer

Using the index length of the list minus one.

Answer

Using the index 0.

Answer

It is not possible to access the last element directly.

Question 3

What will happen if you try to access a non-existent key in a dictionary?

Accepted Answer

It will generate an error.

Answer

It will return the last existing key's value.

Answer

It will create a new key with a default value.

Answer

It will return None.

Question 4

Which of the following is true about tuples in Python?

Accepted Answer

Tuples are ordered and immutable collections.

Answer

Tuples can be modified after creation.

Answer

Tuples are unordered and mutable collections.

Answer

Tuples can contain duplicate elements.

Question 5

What is one way to add an element to the end of a list in Python?

Accepted Answer

Using the append() method.

Answer

Using the insert() method.

Answer

Using the extend() method.

Answer

Using the add() method.

Question 6

What do sets in Python allow you to store?

Accepted Answer

Unordered collections of unique elements.

Answer

Ordered collections of key-value pairs.

Answer

Ordered collections of duplicate elements.

Answer

Unordered collections of non-unique elements.

Question 7

How can you merge two lists in Python?

Accepted Answer

Using the + operator.

Answer

Using the import statement.

Answer

Using the append() method.

Answer

Using the merge() function.

Question 8

What method is used to check if an element exists in a list?

Accepted Answer

Using the 'in' operator.

Answer

Using the find() function.

Answer

Using the exists() method.

Answer

Using the check() method.

Question 9

How do you remove an element from a list by value?

Accepted Answer

Using the remove() method.

Answer

Using the erase() method.

Answer

Using the discard() method.

Answer

Using the delete() method.

Question 10

Which statement about dictionary keys is correct?

Accepted Answer

Keys must be unique within a dictionary.

Answer

Keys must be of the same type.

Answer

Keys cannot be of type string.

Answer

Keys can be duplicated within a dictionary.