New submission from Toni Diaz:
Python 2.7.3 (default, Mar 13 2014, 11:03:55)
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> a=['dog']
>>> b=a
>>> a
['dog']
>>> b
['dog']
>>> b.remove('dog')
>>> a
[]
>>> b
[]
>>>
When defining a list from another (b=a), in my opinion, I expect that all you
do to one doesn't affect to the other one.
However, with the commands .remove & .append I don't see that (the definition
b=a is bijective).
Should it work this way?
Thanks
----------
components: Demos and Tools
messages: 222606
nosy: Toni Diaz
priority: normal
severity: normal
status: open
title: To duplicate a list has biyective properties, not inyective ones
type: behavior
versions: Python 2.7
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Python tracker <[email protected]>
<http://bugs.python.org/issue21943>
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