My version of the sq thing

squarer.py

class Point(object):
    def __init__(self):
        self.x = None
        self.y = None

a = Point()
b = Point()

a.x = 20
a.y = 1

b.x = 1
b.y = 20

def get_top_corner(point1, point2):
    top_corner = Point()
    top_corner.x = min(point1.x, point2.x)
    top_corner.y = min(point1.y, point2.y)
    return top_corner

def get_width(point1, point2):
    return abs(point1.x - point2.x)

def get_height(point1, point2):
    return abs(point1.y - point2.y)

top_corner = get_top_corner(a, b)
width = get_width(a, b)
height = get_height(a, b)

print "with (%s,%s) (%s,%s)" % (a.x, a.y, b.x, b.y)
print "x: " + str(top_corner.x)
print "y: " + str(top_corner.y)
print "width: " + str(width)
print "height: " + str(height)