That way, you wouldn’t need to know how to add to a list in Python as you could simply update your text file. But that is a story for another time! Also read: How to call a function in Python ...

But Python has this functionality built in. One of Python’s native libraries, functools, has the @functools.lru_cache decorator, which caches the n most recent calls to a function.

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.