>>> from notes import notes_per_rang

>>> dic_1={'Joan':[4.5, 7.5, 2.3, 8.5], 'Mar':[5.8, 9.0, 9.6, 2.4, 9.8]}

>>> d_1=notes_per_rang(dic_1)

>>> d_res= {'suspens': [], 'aprovat': [(5.7, 'Joan')],
... 'notable': [(7.32, 'Mar')], 'excel·lent': [], 'MH': []}

>>> if d_1 != d_res:
...    print (d_1)

>>> dic_2={'Joan':[4.5, 3.5, 2.3, 6.5], 'Mar':[5.8, 9.0, 9.6, 2.4, 9.8],
... 'Ramon': [8.9, 9.9, 10.0, 5.0, 6.9], 'Rosa':[10.0, 10.0],
... 'Mireia': [8.9, 9.9, 6.8] }

>>> d_2=notes_per_rang(dic_2)

>>> if d_2 !={'suspens': [(4.2, 'Joan')], 'aprovat': [], 'notable': [(8.53, 'Mireia'), (8.14, 'Ramon'), (7.32, 'Mar')], 'excel·lent': [], 'MH': [(10.0, 'Rosa')]}:
...    print(d_2)


>>> dic_3={'Joan':[4.5, 3.5, 2.3], 'Mar':[5.8, 9.0, 9.6, 2.4, 9.8],
... 'Ramon': [8.9, 9.9, 10.0, 5.0, 6.9], 'Rosa':[10.0, 10.0],
... 'Mireia': [8.9, 7.9, 6.8], 'Aleix':[5.6, 6.5, 8.1, 4.0, 3.0],
... 'Tresa': [3.8, 2.9], 'Enric':[7.8, 6.9, 9.0]}

>>> d_3=notes_per_rang(dic_3)

>>> if d_3 !={'suspens': [(3.43, 'Joan'), (3.35, 'Tresa')],
... 'aprovat': [(5.44, 'Aleix'),], 'notable': [(8.14, 'Ramon'),
... (7.9, 'Enric'), (7.87, 'Mireia'), (7.32, 'Mar')], 'excel·lent': [],
... 'MH': [(10.0, 'Rosa')]}:
...    print(d_3)