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.

How to Run Cmd.exe From Python. While it is not common to need to call Windows functions within Python code, you may occasionally need to do so in order to make a program work correctly.

The idea is pretty simple. Nearly all command line Python programs use argparse to simplify picking options and arguments off the command line as well as providing some help.

Let's hack together some code in the Python programming language to shorten our URLs from the command line. This will go great in conjunction with our newly made Twitter command-line application.

But it has some other superpowers, too: it lets you run Python packages and programs without having to formally install them, all by way of one simple command.