The strip-gotcha

When working with strip, lstrip, or rstrip, you might think that this would be the case:

>>> "Monty Python".rstrip(" Python")
While this seems intuitive, it would actually result in:
as Python interprets the argument to these functions as a set of characters rather than a substring.

If you want to remove a prefix/suffix from a string, str.removeprefix and str.removesuffix are recommended and were added in 3.9.

>>> "Monty Python".removesuffix(" Python")
See the documentation of str.removeprefix and str.removesuffix for more information.