variable scope in list comprehensions

Piotr Sobolewski NIE_DZIALA at
Sat Apr 5 07:22:58 CEST 2008

Duncan Booth wrote:

> For the OP, in some languages (e.g. C) 'for' loops typically calculate
> the value of the loop control variable based on some expression
> involving the previous value. Python isn't like that. In Python the data
> used to compute the next value is stored internally: you cannot access
> it directly.

Great! Now everything is clear.


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