possible to round number and convert to string?
gallium.arsenide at gmail.com
Sat Aug 1 00:46:22 CEST 2009
On Jul 31, 6:17 pm, "Dr. Phillip M. Feldman" <pfeld... at verizon.net>
> I'd like to be able to convert a float to a
> string representation in which the number is
> rounded to a specified number of digits. If
> num2str is a hypothetical function that does
> this, then num2str(pi,3) would be '3.142'
> (not '3.141'). I've been told that there is
> no such function in Python. I tried to write
> this myself, but wasn't successful. Any
> suggestions will be appreciated.
This is what I get in Python 2.6.1 on Windows:
>>> from math import pi
>>> round(pi, 3)
>>> str(round(pi, 3))
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