>>> from perfums import class_continguts

>>> d = class_continguts ('perfums.txt')
>>> if d != {120: ['Eau-de-Sobaq'], 50: ['Eau-de-Lachette', 'Rochis2'], 
...      100: ['Challenge', 'Cucu', 'Lolo', 'Rochis1'], 200: ['Gege'], 
...      75: ['Queque'], 125: ['Lala'], 30: ['Mumu', 'Quiqui']}:
...    print(d)