>>> from crea import crea_graf_rects
>>> from rectangles import Rectangle

>>> r0 = Rectangle(25, 75, 33, 90, 'groc')  # Rectangle groc de la figura
>>> r1 = Rectangle(74, 19, 105, 32, 'blau marí')  # Rectangles blaus de la figura
>>> r2 = Rectangle(83, 26, 111, 38, 'blau')
>>> r3 = Rectangle(89, 15, 125, 29, 'blau cel')
>>> l = [r0, r1, r2, r3]
>>> g = crea_graf_rects(l)
>>> g.number_of_nodes()
4
>>> set(g.nodes()) == {r0, r1, r2, r3}
True
>>> g.number_of_edges()
3
>>> g[r1][r2]
{'àrea': 132}
>>> g[r1][r3]
{'àrea': 160}
>>> g[r3][r2]
{'àrea': 66}

--fi-enunciat

>>> l = []
>>> l.append(Rectangle(16, 10, 26, 14, 'carbassa'))
>>> l.append(Rectangle(16, 14, 26, 21, 'carbassa'))
>>> l.append(Rectangle(20, 2, 25, 7, 'blau'))
>>> l.append(Rectangle(6, 11, 11, 20, 'marró'))
>>> l.append(Rectangle(19, 7, 26, 11, 'groc'))
>>> l.append(Rectangle(15, 12, 23, 21, 'groc'))
>>> l.append(Rectangle(14, 12, 23, 17, 'lila'))
>>> l.append(Rectangle(8, 6, 14, 15, 'blau'))
>>> l.append(Rectangle(10, 17, 16, 27, 'groc'))
>>> l.append(Rectangle(0, 20, 7, 25, 'marró'))
>>> l.append(Rectangle(2, 3, 11, 12, 'carbassa'))
>>> l.append(Rectangle(4, 6, 14, 13, 'verd'))
>>> l.append(Rectangle(20, 1, 30, 8, 'groc'))
>>> l.append(Rectangle(12, 20, 16, 25, 'lila'))
>>> l.append(Rectangle(8, 8, 12, 16, 'vermell'))
>>> l.append(Rectangle(13, 12, 23, 19, 'marró'))
>>> l.append(Rectangle(12, 16, 21, 26, 'marró'))
>>> l.append(Rectangle(5, 9, 14, 19, 'blau'))
>>> l.append(Rectangle(18, 15, 25, 23, 'marró'))
>>> l.append(Rectangle(5, 1, 12, 5, 'verd'))
>>> g = crea_graf_rects(l)
>>> g.number_of_nodes()
20
>>> g.number_of_edges()
49
>>> sorted(map(lambda t:t[2], g.edges(data='àrea')))
[1, 1, 3, 3, 4, 5, 6, 6, 6, 7, 7, 7, 8, 10, 10, 12, 12, 12, 14, 14, 14, 15, 18, 18, 20, 20, 20, 20, 21, 21, 24, 25, 25, 28, 28, 30, 30, 35, 36, 36, 36, 40, 40, 42, 42, 42, 45, 49, 56]
>>> g = crea_graf_rects(l[:7])
>>> g.number_of_nodes()
7
>>> g.number_of_edges()
6
>>> sorted(map(lambda t:t[2], g.edges(data='àrea')))
[7, 14, 14, 21, 40, 49]
>>> g = crea_graf_rects(l[7:])
>>> g.number_of_nodes()
13
>>> g.number_of_edges()
23
>>> sorted(map(lambda t:t[2], g.edges(data='àrea')))
[1, 3, 6, 6, 7, 8, 12, 12, 18, 18, 20, 20, 20, 20, 21, 24, 28, 28, 36, 36, 36, 42, 42]