A little more: decimal_portion

Seymore4Head Seymore4Head at Hotmail.invalid
Sat Oct 4 16:58:52 CEST 2014

 A little more: decimal_portion

Write a function that takes two number parameters and returns a float
that is the decimal portion of the result of dividing the first
parameter by the second. (For example, if the parameters are 5 and 2,
the result of 5/2 is 2.5, so the return value would be 0.5)


def decimal_portion(a,b):
    return float((b/a)-((b//a)))

print (decimal_portion(5,2))

I get 0.4 and the answer is supposed to be 0.5.

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