>>> from service import service1

>>> ds1 = service1('servicesA.txt')
>>> if ds1 != {'MAIN': [30, 22, 17, 14, 12, 19, 8],
...            'CLEA': [12, 13, 22, 3],
...            'SAFE': [41, 42, 31, 8, 13, 10, 12, 15, 32]}:
...      print(ds1)


>>> ds2 = service1('servicesB.txt')
>>> if ds2 != {'CLEA': [50], 'SAFE': [9], 'MAIN': [20]}:
...      print(ds2)

>>> ds3 = service1('servicesC.txt')
>>> if ds3 != {'CLEA': [50, 12, 28, 13, 22, 3, 24], 
...  'MAIN': [30, 22, 17, 12, 14, 21, 12, 19, 15, 8],
...  'SAFE': [41, 42, 31, 8, 10, 13, 10, 12, 15, 32]}:
...      print(ds3)