Find the max of three numbersΒΆ

Write a python function to find the max of three numbers.
def max_of_two(x, y):
    if x > y:
        return x
    return y

def max_of_three(x, y, z):
    return max_of_two(x, max_of_two(y, z))

# test
print(max_of_three(3, 6, -5))

Output:

6