Thank you :-), I´ll do Adolfo > > pi is not a global name. When you do "import math",you aren't adding > everything to the name space, you are just telling python that you are > going to be using that file. You then refer to it as math.*, such as > "math.pi", or "math.pow(r,3)". To use it the way you want to, you > would have to do "from math import pi" instead of "import math"
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