Set literal confusion
Peter Otten
__peter__ at web.de
Tue Sep 22 14:12:33 EDT 2009
Dennis Lee Bieber wrote:
> range() is what used to be xrange() -- an on-demand generator of
> values. You created a set containing a single generator. Try something
> like:
>
> 5 in {list(range(10))}
No. {expr} is always a set with a single element.
>>> {range(10)}
{range(0, 10)}
That element cannot be a list, by the way, because lists aren't hashable.
>>> {list(range(10))}
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'list'
Peter
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