[Python-Dev] Don't set local variable in a list comprehension or generator
Terry Reedy
tjreedy at udel.edu
Wed May 18 23:13:23 CEST 2011
On 5/18/2011 10:19 AM, Nadeem Vawda wrote:
> I'm not sure why you would encounter code like that in the first place.
> Surely any code of the form:
>
> ''.join(c for c in my_string)
>
> would just return my_string? Or am I missing something?
Good question. Anything useful like "'-'.join(c for c in 'abc')" is the
same as "'-'.join('abc'). The same, as far as I can think of, for
anything like list() or set() taking an iterable arg.
--
Terry Jan Reedy
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