python3: 'where' keyword
Andrey Tatarinov
elephantum at dezcom.mephi.ru
Sun Jan 9 12:10:04 CET 2005
Paul Rubin wrote:
>>What would be the advantage of that over this?
>>
>>. x = sqrt(a) + sqrt(b) where:
>>. a = 2.0
>>. b = 3.0
> The idea of "where" is to allow re-using variable names instead of
> having to keep track of which ones are in use. I just tried to give a
> very simple example of how you might do that more than once in a
> statement.
then I'd write something like this:
x = a + b where:
a = sqrt(n) where:
n = 2.
b = sqrt(n) where:
n = 3.
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