[Tutor] Another assert() question

[Dick Moores]

At 07:39 PM 7/12/2008, Kent Johnson wrote:
>On Sat, Jul 12, 2008 at 6:03 PM, Dick Moores <rdm at rcblue.com> wrote:
> > At 01:34 PM 7/12/2008, Kent Johnson wrote:
>
> >> In [2]: assert(False, "Asserted false")
> >>
> >> This is "assert condition" where the condition is a tuple with two
> >> elements, hence true so there is no output.
> >
> > In [13]: assert(3 < 2 , "qwerty")
> >
> > In [14]:
> >
> > I don't understand that logic. Could you unpack it for me?
>
>(False, "Asserted false") is a tuple containing two values, False and
>"Asserted false".
>
>"assert x" evaluates x as a boolean; if it evaluates to False, the
>assertion is raised. A tuple with two elements will always evaluate to
>True so the assertion is never raised.

But why will a tuple with two elements will always evaluate to
True?

In [2]: (3,5) == True
Out[2]: False
In [3]: ("qwerty", "asdfg") == True
Out[3]: False
In [4]:

Dick