#there are sum numpy maths functon.
#sum(arr):-returns the sum of all element in a array.
#sqrt(arr):-returns the square root value of each element in the array.
#prod(arr):-returns square root value of each element in the array.
#there are many more 
#------------------------------------------------------------------------
from numpy import*
a=array([25,81,49,64])
b=array([[4,9,16,25],[36,16,4,49]])
print("/////")
print("a: ",sum(a))
print("b: ",sum(b))
print("/////")
print("a: ",prod(a))
print("b: ",prod(b))
print("/////")
print("a: ",sqrt(a))
print("b: ",sqrt(b))

