Problem

[Aahz Maruch]

In article <3742FA52.2779E388 at xs4all.nl>,
Frank de Bot  <debot at xs4all.nl> wrote:
>
>How can I calculate with string if they are numbers.
>For example:
>first = 20
>second = 10
>calc = first - second   # This doesn't work. I hope you understand what

Works for me:

% python
Python 1.5.1 (#3, Jan 13 1999, 11:11:57)  [GCC 2.7.2] on sunos5
Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>>> first = 20
>>> second = 10
>>> calc = first - second
>>> calc
10

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