mix up between numbers and strings

[Aahz Maruch]

In article <x%et5.130$me.274476 at nnrp5.proxad.net>,
Jad Courbage <jad at altern.org> wrote:
>
>I wrote a program to extract data from a file (with help of
>narray=file.readlines()).
>The problem is that it seems that the interpreter "thinks" that narray
>is a string array although the file it is extracted from is a number
>data file. Therefore, I can't manipulate my data as numbers.

You need to use the int() function to convert strings to numbers.  If
you're not certain that the data is convertable, wrap the int() in a
try/except ValueError block.
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