[Tutor] eval and floating point
Vern Ceder
vceder at canterburyschool.org
Thu Jan 15 03:31:13 CET 2009
Mr Gerard Kelly wrote:
> Thanks very much
>
> I've noticed that the eval() function gives an integer, so eval("3/2")
> gives back 1. float(eval("3/2")) doesn't seem to work, any way to get a
> floating point number back with eval()?
>
> I know you can just do ("3./2."), but is there any way to do it with
> just ("3/2")?
If you are using a current version of Python, the line:
from __future__ import division
will make division with the "/" return a float; you then use "//" for
integer division....
>>> from __future__ import division
>>> eval("3/2")
1.5
>>> eval("3//2")
1
>>>
Cheers,
Vern
--
This time for sure!
-Bullwinkle J. Moose
-----------------------------
Vern Ceder, Director of Technology
Canterbury School, 3210 Smith Road, Ft Wayne, IN 46804
vceder at canterburyschool.org; 260-436-0746; FAX: 260-436-5137
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