放到Python3里面一直报错TypeError: unorderable types: Student() < Student(),不是已经重写__cmp__了吗?为什么还会这样?
放到Python3里面一直报错TypeError: unorderable types: Student() < Student(),不是已经重写__cmp__了吗?为什么还会这样?
class Student(object): def __init__(self, name, score): self.name = name self.score = score def __str__(self): return '(%s: %s)' % (self.name, self.score) __repr__ = __str__ def __cmp__(self, s): if self.score < s.score: return 1 elif self.score < s.score: return -1 else: return cmp(self.name,s.name) L = [Student('Tim', 99), Student('Bob', 88), Student('Alice', 99)] print (sorted(L))