self.ins_attr = ins_attrif__name__ =='__main__': obj1 = MyClass("I am an instance attribute of obj1") obj2 = MyClass("I am an instance attribute of obj2")print(obj1.class_attr)# 输出 "I am a class attribute"print(obj2.class_attr)# 输出 "I am a class attribute"print(...
``` # Python script to manage system processes import psutil def get_running_processes(): return [p.info for p in psutil.process_iter(['pid', 'name', 'username'])] def kill_process_by_name(process_name): for p in psutil.process_iter(['pid', 'name', 'username']): if p.info[...
defmethod_cls(cls,suffix):returnstr(cls.__name__)+suffix @staticmethod defmethod_stt(content):return''.join(content[::-1]) 其中method_cls是一个类方法,method_stt是一个静态方法,这一点大家应该并不陌生。那废话不多说,先看看这个method_cls到底是什么(程序接上文) 代码语言:javascript 代码运行次数...
>>> #属性name已经删掉,不存在 Traceback (most recent call last): File "<pyshell#47>", line 1, in <module> AttributeError: 'A' object has no attribute 'name' >>> delattr(a,'name') #再删除会报错 Traceback (most recent call last): File "<pyshell#48>", line 1, in <module> ...
In [12]: person.get_weight() Out[12]: 45 这两种方式的结果一模一样。我们看下官方文档是怎么解释这种现象的。 When an instance attributeisreferenced that isn’t a data attribute, itsclassissearched. If the name denotes a validclassattribute thatisa function object, a method objectiscreated by ...
__dict__ __module__ __weakref__ age name say_age object的所有属性,Person类作为object的子类,显然包含了所有的属性 我们打印age,name,say_age,发现say_age虽然是方法,实际上也是属性。只不过,这个属性的类型是’method’而已 age<class ‘int’> name<class ’str’> say_age<class ‘method’> 重写_...
get_info() + ", using language of " + self.language 这里继承的是类 File02。 四 私有属性和功能 class File03: def __init__(self): self.name = "f1" self.__deleted = False # 我不让别人用这个变量 self._type = "txt" # 我不想别人使用这个变量 def delete(self): self.__...
def get_name(self):"返回类的实例的名称"return self.name 上面代码仍然是保留缩进的。如果你试图返回类的实例（比如demo.py中定义的instance_of_a）的源代码，则会抛出TypeError异常。异常内容如下：“TypeError: module, class, method, function, traceback, frame, or code object was expected, got A”等...
def__init__(self,name):self.name=name# 抽象方法,用于定义动物的发声行为。# 它在基类中没有具体实现,而是要求派生类提供具体的实现。# self表示调用speak方法的Animal实例。defspeak(self):raiseNotImplementedError("Subclasses must implement this method")classDog(Animal):# Dog类对speak方法的实现,用于返回...
In this function, you obtain the value of the name query parameter from the params parameter of the HttpRequest object. You read the JSON-encoded message body by using the get_json method. Likewise, you can set the status_code and headers for the response message in the returned Http...