def abc(x, y): print x print y x = x + 1 y = y + 1 x = 0 y = 1 x, y = abc(x,y)
def abc(x, y): x += 1 y += 1 return x, y x = 0 y = 1 print("Before: {} {}".format(x, y)) x, y = abc(x,y) print("After: {} {}".format(x, y))