[python-nl] Addition and subtraction the results of optellen(), and aftrekken().

[Hendrikus Godvliet]

Hello all. I'm new on the mailing list.

I would like to have the opportunity to Addition and
subtraction the results of optellen(), and aftrekken().
How can i do this?

#! /user/bin/python2.6

def aftrekken():
   som_01 = 90 - 10
   print som_01

def optellen():
   som_02 = 10 + 10
   print som_02

def text_rekenen():
   text = """Hier zijn enkele berekeningen van de laatste opdrachten."""
   print text


text_rekenen()
optellen()
aftrekken()
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