Python Quiz - Beginner level

In Python, a variable must be declared before it is assigned a value:

• True

• False

Which of the following statements assigns the value 100 to the variable x in Python:

• let x = 100

• x = 100

• x := 100

• x ← 100

In Python, a variable may be assigned a value of one type, and then later assigned a value of a different type:

• True

• False

Which of the following are valid Python variable names:

• 4square

• Age

• route66

• ver1.3

You are reading Python code, and these statements appear scattered in different locations throughout the code:

employeenumber = 4398

.

.

.

EmployeeNumber = 4398

.

.

.

employeeNumber = 4398

• These statements refer to the same variable.

• These statements refer to different variables.

Which one of the following is correct way of declaring and initialising a variable, x with value 5?

• int x

  x=5

• int x=5

• x=5

• declare x=5

Which of the following is incorrect regarding variables in Python?

• Variable names in Python cannot start with number. However, it can contain number in any other position of variable name.

• Variable names can start with an underscore.

• Data type of variable names should not be declared

• None of these

Which of the following is a valid variable?

• var@

• 32var

• abc_a_c

• All of them

Python was developed by

• Guido van Rossum

• James Gosling

• Dennis Ritchie

• Bjarne Stroustrup