Another conditional expression candidate (PEP 308)

[Erik Max Francis]

Roy Smith wrote:

> If "else: pass" isn't required in the statement, why should "else:
> None"
> be required in the expression?

Because in the statement form, the default "else" portion is to do
nothing whatsoever.  In the expression, it can't do nothing; it has to
do something.  I agree that if you _do_ want to make the "else" portion
optional, None is the logical choice, but I don't see the pressing need
for it to be optional in the first place.

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