[Solved] Python3 AttributeError: ‘list’ object has no attribute ‘clear’

I am working on a Linux machine with Python version 3.2.3.
Whenever I try to do list.clear() I get an exception

>>> l = [1, 2, 3, 4, 5, 6, 7]
>>> l.clear()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'clear'

At the same time on my Mac with Python 3.4.3 the same code runs smoothly.
Can it be due to the difference between Python versions or is there something I’m missing?

Enquirer: oranJess


Solution #1:

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[:] = [].

Respondent: vaultah

The answers/resolutions are collected from stackoverflow, are licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0 .

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