Dmitry wrote:
> I'm new to Python but quite familiar with Lisp. So my question is
> about Python list-related functions. Why append(), extend(), sort(),
> reverse() etc. doesn't return a reference to it's own (modified)
> argument ?
doesn't Lisp have a FAQ? ;-)
http://www.python.org/doc/FAQ.html#6.20
Q. Why doesn't list.sort() return the sorted list?
...
basically, operations that modify an object generally don't return
the object itself, to avoid mistakes like:
for item in list.reverse():
print item # backwards
...
for item in list.reverse():
print item # backwards, or?
a slightly more pythonic way would be to add sorted, extended,
reversed (etc) -- but that leads to method bloat.
in addition, based on studying huge amounts of python code, I
doubt cascading list operations would save the world that much
typing...
followups to python-list@python.org
</F>
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