How do you write a case insensitive in Python?

So, is python case sensitive? the answer is yes, python is a case-sensitive language because it differentiates the lower case and upper case identifiers. For, example if you write SUM, and sum in python programming then both will be considered as different identifiers.

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Python String casefold() The casefold() method removes all case distinctions present in a string. It is used for caseless matching, i.e. ignores cases when comparing. For example, the German lowercase letter ß is equivalent to ss . However, since ß is already lowercase, the lower() method does nothing to it.

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