Variables

Question 1

Variables

Answer 1

Variables are symbolic names that store data or references to data.

They allow you to label and manipulate values in your programs.

Question 2

Rules for Naming Variables:

Answer 2

Must start with a letter or underscore (_).

Cannot start with a number.

Can contain letters, numbers, and underscores.

Case-sensitive (e.g., myVar and myvar are different).

Question 3

Variable Types

Answer 3

• Integer
• Float
• String
• Boolean

Question 4

Scope of Variables

Answer 4

Global Variables: Defined outside of all functions and accessible throughout the program.

Local Variables: Defined within a function and accessible only inside that function.

Nonlocal Variables: Used in nested functions to refer to a variable in the enclosing (non-global) scope.