lImplement a dictionary of regular polyhedra as an association list:
lWith each name is associated a pair:
[number-of-faces, number-of-sides-per-face]
l[ [ÒcubeÓ, [6, 4]],
[ÒdodecahedronÓ, [12, 5]],
[ÒicosahedronÓ, [20, 3]],
[ÒoctahedronÓ, [8, 3]],
[ÒtetrahedronÓ, [4, 3]]
]