Operator Overloading: sub : Operator Overloading « Class « Python Tutorial

1. Python Tutorial
2. Class
3. Operator Overloading

class Number:
    def __init__(self, start):                
        self.data = start
    def __sub__(self, other):                 
        return Number(self.data - other)      

X = Number(5)                             
Y = X - 2                                 
print Y.data