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diffference between lower( ) and casefold( )

What's the difference between

help(str.lower)

Return a copy of the string converted to lowercase.

help(str.casefold)

Return a version of the string suitable for caseless comparisons.

What's the special about “caseless comparisons”. In which use case should you use which method?

Created: Jan. 17, 2022, 11:52 a.m.
Updated: Jan. 17, 2022, 1:34 p.m.
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