class Person(object):
def __init__(self,name):
self.name=name
alex=Person("alex")
print(alex) #<__main__.Person object at 0x000001C336D290B8> 此时alex是一个Person实例化的对象
#-----------------------当添加 __str__ 后------------------------------------------------------------
class Person(object):
def __init__(self,name):
self.name=name
def __str__(self):
return self.name
#
alex=Person("alex")
print(alex,type(alex)) # alex <class '__main__.Person'>
print(alex.__str__) #<bound method Person.__str__ of <__main__.Person object at 0x000001444CCA8160>>
print(alex.__str__()) # alex
print(str(alex)) # alex
