Python3 AttributeError: 'list' object has no attribute 'clear'

python list python-3.x attributeerror python-3.2

list.clear was added in Python 3.3.

Citing the Mutable Sequence Types section in the documentation:

New in version 3.3: clear() and copy() methods.
s.clear() removes all items from s (same as del s[:])

See the issue #10516 for the relevant discussion and alternative ways of clearing lists. In summary, it is the same as del l[:] and l[:] = [].

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