Hackerrank Array Mathematics Solution
Basic mathematical functions operate element-wise on arrays. They are available both as operator overloads and as functions in the NumPy module.
import numpy
a = numpy.array([1,2,3,4], float)
b = numpy.array([5,6,7,8], float)
print a + b                     #[  6.   8.  10.  12.]
print numpy.add(a,