python rounding problem.

[Erik Max Francis]

chun ping wang wrote:

> Hey i have a stupid question.
> 
> How do i get python to print the result in only three decimal place...
> 
> Example>>> round (2.995423333545555, 3)
> 2.9950000000000001
> 
> but i want to get rid of all trailing 0's..how would i do that?

Floating point arithmetic is inherently imprecise.  This is not a Python 
problem.

If you want to print it to only three digits, then use something like::

 >>> '%.3f' % 2.995423333545555
'2.995'

-- 
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