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

• _var

• var_name

• var11

• 11var

How many keywords are there in python 3.7?

• 32

• 33

• 31

• 30

All keyword in python are in

• lower case

• upper case

• lower case and uppercase

• None of the above

Why are local variable names beginning with an underscore discouraged?

• they confuse the interpreter

• they are used to indicate a private variables of a class

• they are used to indicate global variables

• they slow down execution

Which of these are keyword?

• in

• is

• assert

• all of the above

What is the output of the following code : print 5//2

• 2

• 2.5

• 0

• error

4 is 100 in binary and 11 is 1011. What is the output of the following bitwise operators?

a = 4

b = 11

print(a | b)

print(a >> 2)

• 15 1

• 14 1

What is the output of this expression, 3*1**3?

• 27

• 9

• 3

• 1

What will be the value of variable y after execution of following Python code?

x="55"

y=x + str(9)

• 55

• 559

• 64

• error

Arrange this in order of Precedence.

1. Exponentiation

2. Parentheses

3. Multiplication and Division

4. Addition and Subtraction

• 1,2,3,4

• 2,1,3,4

• 1,2,4,3

• 2,3,1,4