Python Basics

What is the answer to this expression, 22%3 is

• 7

• 1

• 0

• 5

Which is the correct operator for power  $x^y$  

• x^y

• x**y

• x^^y

• None of these

Which one of theses is floor division

• /

• //

• %

• None of theses

What is the order of precedence in Python?

i. Parenthesis

ii. Exponential

iii. Multiplication

iv. Division

v. Addition

vi. Subtraction

• i, ii, iii, iv, v, vi

• ii, i, iii, iv, v, vi

• ii, i, iv, iii, v, vi

• i, ii, iii, vi, v, iv

Mathematical operations can be performed on a string

• True

• False

Operators with same precedence are evaluated in which manner?

• Left to Right

• Right to Left

• Can't Say

• None of the mentioned

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

• 27

• 9

• 3

• 1

Which of the following is true for variable names in python?

• Unlimited Length

• all private members must have leading and trailing underscores

• underscores and ampersand are only two special characters allowed

• None of these

Which of the following is an invalid variable?

• my_string_1

• 1st_string

• foo

• -

is Python case sensitive when dealing with identifiers?

• yes

• no

• machine dependent

• none of these