>>> from rectangle import Rectangle
>>> from point import Point
>>> r1 = Rectangle(Point(-1, 2), 50, 100, (0, 255, 255))
>>> r1.width
50
>>> r1.height
100
>>> str(r1.center)
'Point (-1, 2)'
>>> r1.color
(0, 255, 255)
>>> str(r1)
'Rectangle center is Point (-1, 2), width is 50, height is 100'
>>> d = r1.to_dict()
>>> d == {'center':{'x':-1, 'y':2}, 'width':50,  'height':100, 'color':[0, 255, 255]}
True
>>> r2 = Rectangle.from_dict({'center':{'x':2, 'y':-5.5}, 'width':70,  'height':45, 'color':[0, 255, 0]})
>>> r2.width
70
>>> r2.height
45
>>> r2.color
(0, 255, 0)
>>> str(r2.center)
'Point (2, -5.5)'
>>> r2 != r1
True
>>> r3 = Rectangle(Point(-1, 2), 50, 100, (0, 255, 255))
>>> r3 == r1
True