Code implementation of Python radiation

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'''
放射
hasattr(obj, name_str):判断一个对象obj里是否有对应的name_str字符串的方法
getattr(obj, name_str):根据name_str字符串去获取obj对象里的对应的方法的内存地址
'''
def bulk(self):
print("%s is yelling..." % self.name)
class People(object):
def __init__(self, name):
self.name = name
def talk(self):
print("%s is talking..." % self.name)
User = People("UserPython")
choice = input(">>>:")
# 判断一个对象User里是否有对应的choic = talk字符串的方法
# print(hasattr(User, choice)) #True
# 根据choice字符串去获取User对象里的对应的方法的内存地址
# print(getattr(User, choice)) #<bound method People.talk of <__main__.People object at 0x0000000002741208>>
if hasattr(User, choice):
func = getattr(User, choice)
func()
else:
setattr(User, choice, bulk)
User.bulk(User)

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