Python Programming Quiz

Which of the following data types is mutable in Python?

• String

• Tuple

• List

• Frozenset

What will be the output of the following code snippet? def func(x=[]): x.append(1) return x print(func()) print(func())

• [1] [1]

• [1] [1, 1]

• [1, 1] [1, 1]

• Syntax Error

What will be the output of the following code? x = [1, 2, 3, 4] y = x y.append(5) print(x)

• [1, 2, 3, 4]

• [1, 2, 3, 4, 5]

• [1, 2, 3, 4, 5, 5]

• [5]

What will be the output of the following code snippet? print("Hello, World!"[::-1])

• "dlroW ,olleH"

• "Hello, World!"

• Error

• None

What is the output of the following code? x = {1, 2, 3, 4} x.add(4) print(len(x))

• 3

• 4

• 5

• Error

Which of the following statements is incorrect about Python dictionaries?

• Keys must be unique.

• Values must be unique.

• Keys must be immutable.

• Values can be of any data type.

What does the lambda keyword in Python define?

• A class

• A function

• A module

• A loop

Which of the following methods will convert a list into a tuple?

• list()

• dict()

• tuple()

• set()

What will be the output of the following code snippet? x = [1, 2, 3] y = x * 2 print(y)

• [1, 2, 3]

• [1, 2, 3, 1, 2, 3]

• Error

• [[1, 2, 3], [1, 2, 3]]

What does the following Python expression evaluate to? bool([]) and bool("")

• True

• False

• Syntax Error

• Type Error