Python3的矩阵乘法的好玩玩法

[digitalsatori]

In [1]: class G:
   ...:     def __init__(self, s):
   ...:         self.s = s
   ...:     def __getattr__(self, t):
   ...:         return G(self.s + '.cn')
   ...:     def __rmatmul__(self, other):
   ...:         return other + '@' + self.s
   ...:
   ...: fun, games = '无脑者', G('愚蠢国度')
   ...: print([email protected])
   ...:
   ...:
无脑者@愚蠢国度.cn