Python LIST

Which of these is not a core data type?

• LIst

• Dictionary

• Class

• Tuple

What is the output of the following code snippet?

my_list = [3, 6, 9]

my_list.append(12)

print(len(my_list))

• 3
• 4
• 5
• 6

Which of the following methods can be used to add multiple elements to a list at once?

• append()
• extend()
• insert()
• pop()

What will my_list[-1] return?

• The last item in the list
• The first item in the list
• An error
• The second item in the list

Which of the following methods removes the first occurrence of a specific value from a list?

• remove()
• delete()
• pop()
• discard()

What is the result of the following code?

numbers = [1, 2, 3, 4, 5]

squared = [num ** 2 for num in numbers]

print(squared)

• [1, 4, 9, 16, 25]
• [1, 2, 3, 4, 5]
• [2, 4, 6, 8, 10]
• [1, 3, 5, 7, 9]

Which of the following statements is true about Python lists?

a) Lists in Python are fixed-size, meaning their length cannot change after creation.

b) Lists can contain elements of different data types in a single list.

c) Lists in Python can only store integers and strings.

d) Lists are created using curly braces {}.

• Lists in Python are fixed-size, meaning their length cannot change after creation.
• Lists can contain elements of different data types in a single list.
• Lists in Python can only store integers and strings.
• Lists are created using curly braces {}.

What is the purpose of the list.index(item) method in Python?

a) It returns the index of the first occurrence of item in the list.

b) It inserts item at the specified index in the list.

c) It removes the first occurrence of item from the list.

d) It returns the total count of occurrences of item in the list.

• It returns the index of the first occurrence of item in the list.
• It inserts item at the specified index in the list.
• It removes the first occurrence of item from the list.
• It returns the total count of occurrences of item in the list.

What will the following code output?

my_list = [2, 4, 6, 8]

result = my_list[-2:]

print(result)

• [6, 8]
• [2, 4]
• [4, 6]
• 8

What is the output of the following code?

first_list = [1, 2, 3]

second_list = first_list

second_list.append(4)

print(first_list)

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