Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote:
> In [268]: 'c' in a == True
> Out[268]: False
>
> In [269]: ('c' in a) == True
> Out[269]: True
>
> In [270]: 'c' in (a == True)
> -----------------------------------------------------------------------
> ----
><type 'exceptions.TypeError'> Traceback (most recent call
>last)
>
> /home/bj/<ipython console> in <module>()
>
><type 'exceptions.TypeError'>: argument of type 'bool' is not iterable
>
>
> What's going on there?
See http://docs.python.org/ref/comparisons.html
> Comparisons can be chained arbitrarily, e.g., x < y <= z is equivalent
> to x < y and y <= z, except that y is evaluated only once (but in both
> cases z is not evaluated at all when x < y is found to be false).
In exactly the same way:
'c' in a == True
is equivalent to:
'c' in a and a == True
which is False.
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