Question

What is variable and constant ?​

Answer 1

Step-by-step explanation:

A constant is a value that cannot be altered by the program during normal execution, i.e., the value is constant. ... This is contrasted with a variable, which is an identifier with a value that can be changed during normal execution, i.e., the value is variable

Answer 2

Constant:

A constant does not change over time and has a fixed value.

Variable:

Variables are the terms which can change or vary over time.