stack_diagram.py

def b(z):
    prod = a(z, z)
    print z, prod
    return prod


def a(x, y):
    x = x + 1
    return x * y


def c(x, y, z):
    total = x + y + z
    square = b(total) ** 2
    return square

x = 1
y = x + 1
print c(x, y + 3, x + y)