Nous prendrons pour exemple la classe suivante :
01: class Operation:
02:
03: def __init__(self, valueA, valueB):
04: self.__a = valueA
05: self.__b = valueB
06:
07: def add(self):
08: return self.__a + self.__b
09:
10: def div(self):
11: return self.__a / self.__b
12:
