Web Reference: This method is similar to the lower() method, but the casefold() method is stronger, more aggressive, meaning that it will convert more characters into lower case, and will find more matches when comparing two strings and both are converted using the casefold() method. There's some confusion in the existing answers, even the accepted one (EDIT: I was referring to this currently outdated version; the current one is fine). The distinction between .lower() and .casefold()has nothing to do with ASCII vs. Unicode, both act on the whole Unicode range of codepoints, just in slightly different ways. But both perform rela... In this tutorial, you will learn about the Python String casefold () method with the help of examples.
YouTube Excerpt: 004 Python String Casefold
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