[Tutor] Little problem with math module

tiger12506 keridee at jayco.net
Wed Apr 23 05:14:03 CEST 2008

> my problem is, INSIDE the funcion...the variable erro is correct, but
> when i return it to the test...and the test prints it....comes out 0.0.
> Its disturbing...i didnt found a way of solving this.

err is defined in the function so it thinks it's a local variable. You can 
set it to change only the global variable by putting

global err

as the line right after your function def. 

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