Data Structures Quiz

Which data structure is immutable?

• List

• Set

• Tuple

• Dictionary

Which data structure allows duplicate elements?

• Set

• Dictionary

• Tuple

• None of the above

How do you access the first element of a list named my_list?

• my_list{0}

• my_list[0]

• my_list(0)

• my_list.0

Which data structure does not allow duplicate elements?

• List

• Tuple

• Set

• Dictionary

How do you add an item to a set named my_set?

• my_set.add(7)

• my_set.append(7)

• my_set.insert(7)

• my_set[7] = None

What will be the output of print(len({1, 2, 2, 3}))?

• 2

• 3

• 4

• 1

Which statement will raise a TypeError when executed?

• my_list.append(6)

• my_set.add(6)

• my_tuple[0] = 100

• my_dict['b'] = 20

In a dictionary, what happens if you assign a new value to an existing key?

• It raises an error

• The new value overwrites the old one

• Both values are stored

How do you access the value of key 'b' in a dictionary named my_dict?

• my_dict['b']

• my_dict[0]

• my_dict[b]

• my_dict.get('b')

Which data structure is ordered and mutable?

• Set

• Tuple

• List

• Dictionary