[Python-ideas] New explicit methods to trim strings

[Jonathan Fine]

Earlier, Anders wrote:
I propose naming them strip_prefix() and strip_suffix() and just skip the
one that does both sides since it makes no sense to me.

This is good, except I prefer subtract_prefix(a, b), truncate_suffix etc.
And for the two step process prefix_subtractor(a)(b) etc.

-- 
Jonathan
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