"Tuvas" <[EMAIL PROTECTED]> wrote:
>I would like to limit a floating variable to 4 signifigant digits, when
> running thorugh a str command. Ei,
>
> x=.13241414515
> y=str(x)+" something here"
>
> But somehow limiting that to 4 sign. digits. I know that if you use the
> print statement, you can do something like %.4d, but how can I do this
> with converting the number to a string? Thanks!
you mean "%.4g" ? the % operator is a string operator, and can be used
outside print:
text = "%.4g" % value
for more details, here's the first google hit for "python string formatting":
http://docs.python.org/lib/typesseq-strings.html
but that doesn't make too much sense if you don't know how things work
in C, which is explained here:
http://www.cplusplus.com/ref/cstdio/printf.html
here are some examples:
>>> x=.13241414515
>>> x
0.13241414515
>>> "%.4f" % x
'0.1324'
>>> "%.4g" % x
'0.1324'
>>> x=5.13241414515
>>> "%.4f" % x
'5.1324'
>>> "%.4g" % x
'5.132'
</F>
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