Can I use a conditional in a variable declaration?
jeff at schwabcenter.com
Sun Mar 19 16:55:46 CET 2006
Georg Brandl wrote:
> Jeffrey Schwab wrote:
>> volcs0 at gmail.com wrote:
>>> I want the equivalent of this:
>>> if a == "yes":
>>> answer = "go ahead"
>>> answer = "stop"
>> def mux(s, t, f):
>> if s:
>> return t
>> return f
> But be aware that this is not a complete replacement for a syntactic
> construct. With that function, Python will always evaluate all three
> arguments, in contrast to the and/or-form or the Python 2.5 conditional.
Absolutely true, and I should have mentioned it. In languages that
allow ?: syntax, I rarely rely on its short-circuit effect, but it
certainly is a significant difference.
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