Hi , welcome in the second lesson of Python tutorial.
In this lesson we'll talk about definition of some frequent programming terms.
These terms are :
A computer
A program
A constant
A variable
Let's begin with the first.
A computer is an electronic machine could perform high-speed mathematical processes in too short time and store data in order to use later by the computer itself or by a user .
A program is a set of instructions --commands --that tell the computer what it must do .
A constant is a container holds unchanged data throughout runtime .
A variable is a container holds changeable data .