Decimals not equalling themselves (e.g. 0.2 = 0.2000000001)

[Diez B. Roggisch]

CNiall schrieb:
> I am very new to Python (I started learning it just yesterday), but I 
> have encountered a problem.
> 
> I want to make a simple script that calculates the n-th root of a given 
> number (e.g. 4th root of 625--obviously five, but it's just an example 
> :P), and because there is no nth-root function in Python I will do this 
> with something like x**(1/n).

There is - pow.

 >>> from math import pow
 >>> pow(625, .25)
5


Diez