Class member function: __init__ , __sub__ : Class sub « Class « Python

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Python » Class » Class sub   Class member function: __init__ , __sub__ class Number:     def __init__(self, start):              # on Number(start)         self.data = start     def __sub__(self, other):               # on instance - other         return Number(self.data - other)    # result is a new instance X = Number(5)                           # Number.__init__(X, 5) Y = X - 2                               # Number.__sub__(X, 2) print Y.data                                  # Y is new Number instance                     Related examples in the same category