c james wrote:
> Try this
>
>>>> sample = {'t':True, 'f':False}
>>>> 't' in sample
> True
>>>> type('t' in sample)
> <type 'bool'>
>>>> 't' in sample == True
> False
>
> Why is this? Now try
>>>> bool('t' in sample) == True
> True
>
> Can someone explain what is going on?
>
Precedence. In:
't' in sample == True
sample == True is evaluated first
then 't' in that which is false
you should write
('t' in sample) == True
but that is unnecessary because
t' in sample
is easier to read and to code and less prone to this problem.
-Larry
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