Python shell

Question

how to use python shell, and what is the usefulness.

Answer 1

Python provides a Python Shell, which is used to execute a single Python command and display the result. It is also known as REPL (Read, Evaluate, Print, Loop), where it reads the command, evaluates the command, prints the result, and loop it back to read the command again.

Answer 2

You can not save scripts that you run in python shell as file,it is used just once but with code editor you can save entire program as python file to be reused anytime.