INADA Naoki wrote:
In
http://docs.python.org/py3k/tutorial/datastructures.html#comparing-sequences-and-other-types
,
The operators is and is notcompare whether two objects are really the same
object;
this only matters for mutable objects like lists.
I think this notation may confuse readers of the tutorial. For example, pep8
recommands
using is operator for immutable singleton objects like None.
Shall we remove letter part?
Rather than completely remove it, I would reword it:
The operators is and is not compare whether two objects are really the
same object; this usually only matters for mutable objects like lists,
or for testing against singletons like None.
--
Steven
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