Python Operators and Expressions Questions and Answers

Question 1

What is the final value of `result` after the following Python code is executed?

`result = 10 + 4 * 2 ** 3 // 5 - 1`

Accepted Answer

10

Answer

21

Answer

15

Answer

8

Question 2

A developer is writing a script to check user permissions. The script should grant access only if a user is an 'admin' or if they are both a 'manager' and have 'editor' rights. Which of the following expressions correctly implements this logic for variables `user_role` and `editor_rights`?

Accepted Answer

`user_role == 'admin' or user_role == 'manager' and editor_rights`

Answer

`(user_role == 'admin' or user_role == 'manager') and editor_rights`

Answer

`user_role == ('admin' or 'manager') and editor_rights`

Answer

`user_role == 'admin' and editor_rights or user_role == 'manager'`

Question 3

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

`x = ['a', 'b']
y = ['a', 'b']
z = x

print(x is y, x == y, x is z)`

Accepted Answer

`False True True`

Answer

`True True False`

Answer

`False True False`

Answer

`True False True`

Question 4

Which of the following expressions will evaluate to `True`?

Accepted Answer

`'a' in {'a': 1, 'b': 2}`

Answer

`'test' in 'testing'`

Answer

`5 not in range(5)`

Answer

`'x' in [['x'], ['y']]`

Question 5

What is the result of the bitwise operation `10 ^ 6` in Python?

Accepted Answer

12

Answer

2

Answer

4

Answer

16

Question 6

Consider the following code:

`def get_value():
    print("get_value() called")
    return False

result = True and get_value()`

What is the outcome of executing this code?

Accepted Answer

The string "get_value() called" is printed and `result` is `False`.

Answer

The string "get_value() called" is printed and `result` is `True`.

Answer

An error occurs.

Answer

Nothing is printed and `result` is `False`.