[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fE0eoXyUODZRoD6yJ8FaHoZCREBByanAaEU7BKSivWAY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-05-26 16:40:14",190994422,[8,9,10,11],"封装就是将类的所有属性和方法都隐藏起来,外部无法访问","在 Python 中,通过在属性名前加双下划线__可以实现真正的私有属性,完全无法被外部访问","封装可以通过提供公共的方法来访问和修改私有属性,实现对属性的控制","封装只针对属性,不针对方法",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"cb6dd188d02de8e32d295f3a54f1e029","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff9044873a020fec95d1de031e7f2960d.png","Python程序设计基础2022","work_43871143","阶段性测试二","关于面向对象的封装特性,下列说法正确的是( )",[21,32,41,50,59,68,77,80,88,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],190994405,[25,26,27,28],"3 > 5","not(5 == 5)","10 >= 10","False and True","下列 Python 表达式中,结果为True的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],190994409,[36,37,38,39],"fruits = {'apple', 'banana', 'cherry'}","fruits = ('apple', 'banana', 'cherry')","fruits = ["apple", "banana", "cherry"]","fruits = "apple", "banana", "cherry"","以下能正确创建一个包含字符串'apple'、'banana'、'cherry'的列表的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],190994412,[45,46,47,48],"while循环会在条件为True时一直执行循环体","while循环中必须有修改循环条件的语句,否则可能导致死循环","while循环可以嵌套使用","while循环不能和else语句一起使用","下面关于while循环的说法,错误的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],190994415,[54,55,56,57],"该函数只能接收一个参数","args是一个列表,用于存储所有传入的非关键字参数","调用该函数时,传入的参数会被打包成一个元组","该函数无法接收关键字参数","对于以下函数,说法正确的是( ) Plain Textdef func(*args): print(args)",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],190994418,[63,64,65,66],"10","20","无输出","报错","执行以下代码,输出结果是() x = 10 def change_x(): global x x = 20 change_x() print(x)",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],190994420,[72,73,74,75],"d = Dog("Buddy", "Labrador"); print(d.name)","d = Dog("Buddy", "Labrador"); print(d.__name)","d = Dog("Buddy", "Labrador"); print(Animal.name)","d = Dog("Buddy", "Labrador"); print(Dog.name)","已知类的定义如下,创建Dog类的对象d后,能正确访问name属性的是( ) class Animal: def __init__(self, name): self.name = name class Dog(Animal): def __init__(self, name, breed): super().__init__(name) self.breed = breed",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":30,"type":31},[],190994424,[66,84,85,86],"创建一个新文件","不做任何操作","覆盖当前目录下的同名文件","在 Python 中,使用open函数以写入模式打开文件,如果文件不存在,会( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":30,"type":31},[],190994428,[92,93,94,95],"import numpy as np; arr = np.ones((3, 4))","import numpy as np; arr = np.zeros((3, 4))","import numpy as np; arr = np.empty((3, 4))","import numpy as np; arr = np.arange((3, 4))","使用 numpy 库创建一个形状为(3, 4)的全 1 数组,正确的代码是( )",{"answer":98,"createTime":99,"id":100,"options":101,"question":106,"source":30,"type":31},[],"2025-05-26 16:40:15",190994431,[102,103,104,105],"plt.xlabel()","plt.ylabel()","plt.title()","plt.legend()","要在matplotlib的图形中添加标题,应该使用以下哪个函数( )"]