Python_Variables

Which of the following is not a valid variable name in Python?

• a) my_variable

• b) 123_variable

• c) myvariable

• d) myVariable

Which of the following is not a valid data type in Python?

• a) int

• b) 123_float

• c) str

• d) bool

What is the output of the following Python code snippet?

print(10/3)

• a) 3.333

• b) 3

• c) 3.0

• d) 3.33

Which of the following is the correct way to comment a single line in Python?

• a) // This is a comment

• b) # This is a comment

• c)

• d) /* This is a comment */

What will be the output of the following Python code snippet?

print(5**2)

• a) 10

• b) 25

• c) 7

• d) 52

Which of the following is a correct way to declare a list in Python?

• a) list = [1, 2, 3]

• b) list = (1, 2, 3)

• c) list = {1, 2, 3}

• d) list = {1: 'one', 2: 'two', 3: 'three'}

What is the result of the following comparison in Python?

5 == 5.0

• a) True

• b) False

• c) Error

• d) None

What is the correct way to define a function in Python?

• a) def my_function():

• b) function my_function():

• c) define my_function():

• d) func my_function():

Which of the following is the correct syntax to access the last element of a list in Python?

• a) list[-1]

• b) list[last]

• c) list[last_element]

• d) list.get(-1)

What will be the output of the following Python code snippet?

print('Hello' + 'World')

• a) HelloWorld

• b) Hello World

• c) HelloWorld

• d) Hello + World