How to write string (float) to file?

[Grant Edwards]

In article <bo8j7.54122$c8.24122471 at news1.denver1.co.home.com>, Rainer Deyke wrote:
> "Grant Edwards" <grante at visi.com> wrote in message
> news:slrn9ops86.ks3.grante at grante.comtrol.com...
>> In article <9ZOi7.53225$c8.23251519 at news1.denver1.co.home.com>, Rainer
> Deyke wrote:
>> ><gbreed at cix.compulink.co.uk> wrote in message
>> > news:9mfqmi$ko4$1 at thorium.cix.co.uk...
>> >> c = '%.2f'%(float(a)/b)
>> >
>> > That's unreliable.  Use this instead:
>>
>> After reading a handful of follow-ups, I'm still curious what
>> you mean when you say that's unreliable.
> 
>>>> def foo(a, b): return '%.2f' % (float(a)/b)
> ...
>>>> foo(1, 200)
> '0.01'
>>>> foo(3, 200)
> '0.01'
>>>> foo(5, 200)
> '0.03'
>>>> foo(10000000000000000000000000000000000000000l, 2)
> '5000000000000000200000000000000000000000.00'

Thanks, but that wasn't helpful.  Am I to assume that you're
not happy with one of the results?  Which one?  Why do you
think it's wrong?

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Grant Edwards                   grante             Yow!  I've read SEVEN
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