重写内置的__str__方法,重写内置__str_,class Employ
重写内置的__str__方法,重写内置__str_,class Employ
class Employee: def __init__(self, lastname, firstname=None): self.lastname = lastname self.firstname = firstname def __str__(self): if self.firstname: return '%s %s' % (self.firstname, self.lastname) else: return self.lastname
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