The function deletes the named attribute, provided the object allows it. For example,delattr(x,'foobar')is equivalent todelx.foobar. 说明: 1. 函数作用用来删除指定对象的指定名称的属性,和setattr函数作用相反。 #定义类A >>> class A: def __init__(self,name): self.name = name def ...
function, to get the value of an attribute The hasattr() function, to check if an attribute existThe setattr() function, to set the value of an attribute❮ Built-in Functions Track your progress - it's free! Log in Sign Up COLOR...
Python3.6内置函数(14)——delattr() 英文文档 delattr(object, name) This is a relative of setattr(). The arguments are an object and a string. The string must be the name of one of the object’s attributes. The function deletes the named attribute, provided the object allows it. For ...
Python内置函数(14)——delattr 英文文档: delattr(object,name) This is a relative ofsetattr(). The arguments are an object and a string. The string must be the name of one of the object’s attributes. The function deletes the named attribute, provided the object allows it. For example,d...
delattr() function The delattr() function is used to delete the specified attribute from the specified object. Version: (Python 3) Syntax: delattr(object, name) Parameter: Return value: The delattr() doesn't return any value (returns None). ...
Help on built-in function dir in module __builtin__: py3study 2020/01/06 6130 面试复习-Python-面向对象 数据pythonself继承面试 封装是将数据和操作数据的方法封装在一个类中,对外隐藏内部的实现细节,只提供一些公共的方法来访问和修改数据。这样可以提高代码的安全性和可维护性,避免外部直接访问和修改内部...
printNameAge(blog)) # 输出结果 {'name': '小菠萝', 'age': 24, 'printNameAge': <function <lambda> at 0x10391a1f0>} 姓名:小菠萝 年龄:24 delattr 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # delattr delattr(blog, "age") delattr(blog, "printNameAge") print(blog.__dict__...
print('country'inPeople.__dict__) #返回值:True print(hasattr(obj,'people_info')) #返回值:True print(People.__dict__) ##{'__module__':'__main__','country':'China','__init__': <function People.__init__ at0x1006d5620>,'people_info': <function People.people_info at0x10205d1...
# <bound method function_demo.run of <__main__.function_demo object at 0x006E8A10>> print(getattr(functiondemo, "age")) # 获取不存在的属性,报错如下: # Traceback (most recent call last): # File "F:/Python/PycharmProjects/Mytest_code/tmp.py", line 11, in <module> ...
# 设置一个新的实例属性setattr(blog, "age", 24)# 设置一个新的实例方法setattr(blog, "printNameAge", lambda self: f"姓名:{self.name} 年龄:{self.age}")print(blog.__dict__)print(blog.printNameAge(blog))# 输出结果{'name': '小菠萝', 'age': 24, 'printNameAge': <function <lambda>...