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.

To run a Python script with the py launcher, simply substitute py and its command-line switches for python or python3. For instance, here is the command typically used to upgrade pip by running it ...

Most hacker types don’t mind a command line interface, but very few ordinary users appreciate them. However, if you write command line programs in Python, Gooey can help.