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Python 2.7.8 (default, Aug 12 2015, 10:14:26)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-11)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import math
>>> math.pow(3,1/3.0)
1.4422495703074083
>>> math.pow(3,1/2.0)
1.7320508075688772
>>>