Module #5 Assignment

 class Point:

    def __init__(self, x, y):
        self.x = x
        self.y = y

    def __str__(self):
        return f"({self.x}, {self.y})"

class Rectangle:
    """ A class to manufacture rectangle objects """

    def __init__(self, posn, w, h):
        """ Initialize rectangle at posn, with width w, height h """
        self.corner = posn
        self.width = w
        self.height = h

    def __str__(self):
        return f"{self.corner}, {self.width}, {self.height}"


def create_rectangle(x, y, w, h):
    return Rectangle(Point(x, y), w, h)

def str_rectangle(rect):
    return str(rect)

def shift_rectangle(rect, dx, dy):
    mx = rect.corner.x
    my = rect.corner.y
    rect.corner.x = dx + mx
    rect.corner.y = dy + my

def offset_rectangle(rect, dx, dy):
    mx = rect.corner.x
    my = rect.corner.y
    return create_rectangle(mx + dx, my + dy, rect.width, rect.height)

r1 = create_rectangle(10, 20, 30, 40)
print(str_rectangle(r1))
shift_rectangle(r1, -10, -20)
print(str_rectangle(r1))
r2 = offset_rectangle(r1, 100, 100)
print(str_rectangle(r1)) # should be same as previous
print(str_rectangle(r2))

Output

(10, 20), 30, 40
(0, 0), 30, 40
(0, 0), 30, 40
(100, 100), 30, 40