代码语言:javascript复制
#!/usr/bin/python
class Vector:
def __init__(self, a, b):
self.a = a
self.b = b
def __str__(self):
return 'Vector (%d, %d)' % (self.a, self.b)
def __add__(self,other):
return Vector(self.a other.a, self.b other.b)
v1 = Vector(2,10)
v2 = Vector(5,-2)
v3 = Vector(10,10)
print v1 v2 v3
print v1
代码语言:javascript复制结果:
Vector (17, 18)
Vector (2, 10)