How to combine functions from all existing files and call them from the console?

Question

Python

I have 3 .ru files. I need to somehow call functions (and they still have arguments) from these files via the command line by the name of the function, how can this be done?

Answer 1

Import all functions into one file - https://stackoverflow.com/questions/2349991/how-to...
Parsing command line arguments - https://docs.python.org/3.1/library/getopt.html