[issue10516] Add list.clear() and list.copy()

[Boštjan Mejak]

Boštjan Mejak <bostjan.mejak at gmail.com> added the comment:

This is really welcome. It makes Python even more readable.

If 'a' is a list object, a[:] is not so obvious at first to a newcomer, but
a.copy() is.

Also, a.clear() is so perfect and understandable. I wish you could decorate Python versions prior to 3.3 with this two new list methods.

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nosy: +Retro

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