import math

def abc(a,b):
    c = a**2 + b**2
    d = math.sqrt(c)
    return(d)

def defg(x,y):
    x[0] = 99
    y[0] = 99
    c = x[0]**2 + x[1]**2
    d = y[0]**2 + y[1]**2
    e = math.sqrt(c+d)
    return(e)