Function objects can be stored in a dictionary ... the problem you’re actually trying to solve. Finally, Python has another data structure, the set, which superficially resembles a dictionary.

you can use Python’s replace method and provide a list. Extracting a substring within Excel requires the usage of the LEFT, MID, or RIGHT functions, depending on where the substring is located ...

One performance-enhancement technique common to many languages, and one Python can use too, is memoization—caching the results of a function call so that future calls with the same inputs don ...