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If join() is a method on a string then it can operate on any iterable (list, tuple, iterators). If it were a method on a list, it'd have to be implemented separately by every type. Also, it doesn't make much sense to put a string-specific method on a generic list.
Also, it's string specific, and it sounds wrong to put a string-specific method on a generic list.
Notice the string-specific part is duplicated in the last two sentences.
The text was updated successfully, but these errors were encountered:
Notice the string-specific part is duplicated in the last two sentences.
The text was updated successfully, but these errors were encountered: