[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fosUKwlbyDxoxWEGccHAkqwA96SDScWIlwcV9BN6eS-U":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-06-06 16:01:58",195405217,[8,9,10,11],"一个类有多种形态","一个接口有多种实现","一个方法有多种行为","一个对象有多种类型",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"2f5c608c149862ca9cd615aea93ef5ca","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87186a55d770b757b4c3a4c3ec53b4de.jpg","Python程序设计","work_44038899","类与对象","在面向对象编程中,多态是指",[21,32,41,50,59,67,70,79,85,94],{"answer":22,"createTime":23,"id":24,"options":25,"question":29,"source":30,"type":31},[],"2025-06-06 16:01:57",195405207,[26,27,28,28],"`person = Person`","`person = Person()`","`Person person`","以下哪个表达式创建了一个名为`person`的`Person`类的实例","v1",0,{"answer":33,"createTime":23,"id":34,"options":35,"question":40,"source":30,"type":31},[],195405208,[36,37,38,39],"`__init_`","`init`","`setup`","`constructor`","在Python中,构造函数的名称是",{"answer":42,"createTime":23,"id":43,"options":44,"question":49,"source":30,"type":31},[],195405210,[45,46,47,48],"`def my_method(self):`","`my_method = def(self):`","`def Person.my_method(self):`","`Person def my_method(self):`","以下哪个代码片段正确地定义了一个类的方法",{"answer":51,"createTime":23,"id":52,"options":53,"question":58,"source":30,"type":31},[],195405214,[54,55,56,57],"单下划线 `_`","双下划线 `__`","单下划线加下划线 `_`","双下划线加单下划线 `__`","在Python中,私有成员通常以什么开头",{"answer":60,"createTime":23,"id":61,"options":62,"question":66,"source":30,"type":31},[],195405215,[63,64,65,64],"`Person.greet()`","`person.greet()`","`Person.greet(person)`","以下哪个表达式正确地调用了类`Person`的实例方法`greet`",{"answer":68,"createTime":5,"id":6,"options":69,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":30,"type":31},[],195405219,[74,75,76,77],"在方法内","在类的顶部","在构造函数内","在类的底部","在Python类中,类变量通常定义在哪里",{"answer":80,"createTime":5,"id":81,"options":82,"question":84,"source":30,"type":31},[],195405221,[74,75,76,83],"在方法的参数中","在Python类中,实例变量通常定义在哪里",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":30,"type":31},[],195405222,[89,90,91,92],"dog = Animal(); dog.speak()","dog = Dog(Animal); dog.speak()","dog = Dog(); dog.speak("Dog")","dog = Dog(); dog.speak()","给定以下类定义: class Animal: def speak(self): print("Animal speaks") class Dog(Animal): pass 创建Dog类的实例并调用speak方法的正确代码是",{"answer":95,"createTime":96,"id":97,"options":98,"question":103,"source":30,"type":31},[],"2025-06-06 16:01:59",195405223,[99,100,101,102],"greeter.greet","Greeter.greet()","greeter.greet(self)","greeter.greet()","考虑以下Python类定义和实例化: class Greeter: def greet(self): print("Hello") greeter = Greeter() 要调用greeter实例的greet方法,正确的代码行是"]