Python is great because it includes an interactive mode for learning the language and quickly testing out code ideas. IPython ...

Use the Python Interpreter to Run the Program Once the Python file is saved in Notepad, the programmer can run the Python program using the command line and interpreter.

But there’s a feature unique to the Python edition of Windows that makes it easier to manage multiple installed versions of the Python interpreter—the py launcher.

A command line interpreter is any program that allows the entering of commands and then executes those commands to the operating system. It's literally an interpreter of commands.