Python MCQ and Answers – Variables And Operators – Part 2

This collection of Python Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer focuses on “Variables And Operators”.
 

1. Why local variable names starting with an underscore “_” are discouraged?

A They slow down execution

B They mystify the interpreter

C They are used to show a private variable of a class

D They are used to show global variables

2. Keywords in python are in ______________.

A Uppercase

B Lowercase

C Both A & B

D None of the mentioned

3. What is the maximum size of an identifier in python?

A 30

B 35

C 60

D None of the mentioned

4. Which of the following is an invalid expression?

A xyz = 5,000,000

B x y z = 5000 6000 7000

C x,y,z = 5000, 6000, 7000

D x_y_z = 5,000,000

5. What is the output of the following statement, print (2*1**2)?

A 4

B 1

C 8

D 2

6. There are ___ keywords in Python 3.7?

A 30

B 31

C 32

D 33

7. Which of the following can’t be a variable?

A on

B is

C to

D __init__

8. Which is not a keyword in Python?

A eval

B is

C as

D in

9. Which has the highest precedence in a statement?

A Division

B Addition

C Multiplication

D Parentheses

10. Int(str) mean that the variable ‘str’ is converted to integer?

A True

B False

# initializing string 
s = "25"
  
# converting to int
c = int(s)

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