Day 2

Which of the following data types in Python is mutable?

• String

• Tuple

• List

• Dictionary

What will be the output of the following code?

my_tuple = (1, 2, 3)

my_tuple[0] = 4

print(my_tuple)

• (1, 2, 3)

• (4, 2, 3)

• Error: Tuple indices must be integers, not strings

• Error: Tuple object does not support item assignment

Which data type in Python is used to store a collection of elements with no duplicate values?

• Set

• List

• Tuple

• Dictionary

Which of the following is NOT a valid way to create a dictionary in Python?

• my_dict = {}

• my_dict = dict()

• my_dict = {1: 'one', 2: 'two', 3: 'three'}

• my_dict = {'one': 1, 'two': 2, 'three': 3}

What is the result of the expression: len("Hello World")?

• 5

• 10

• 11

• 12

Which of the following data types in Python allows duplicate elements?

• List

• Tuple

• Set

• Dictionary

What will be the type of the following expression: type((1,2))?

• List

• Tuple

• Set

• str

What will be the output of the following code?

x = 10

if x > 5:

    print("x is greater than 5")

else:

    print("x is less than or equal to 5")

• x is greater than 5

• x is less than or equal to 5

• x is equal to 5

What will be the output of the following code?

for i in range(3):

    print(i)

• 012

• 111

• 000

• 123

What is the purpose of the else clause in a loop

• It executes when a loop is terminated prematurely using break.

• It executes when a loop condition becomes False

• It executes if an exception is raised inside the loop

•  It executes after each iteration of the loop