possible to round number and convert to string?
user at example.net
Fri Jul 31 18:42:21 EDT 2009
Dr. Phillip M. Feldman wrote:
> 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
>>> import math
>>> s = str(round(math.pi, 3))
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