[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJC-jjSz1IHfDqyr8lm2n8sb6EcKa-FySOCDa63H2lak":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-10 20:53:01",956062100,[8,9,10,11],"ls.append(x):在ls最后增加一个元素","ls.clear():删除Is 的最后个元素","ls.copy():生成一个新列表.复制Is的所有元素","ls.reverse( ):列表Is的所有元素反转",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000008818","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3f86ede806cc6329af735762a3831fe4.png","大数据分析的Python基础","50078529","大数据分析的Python基础教程考试","对于列表ls的操作,以下选项中描述错误的是: ( )",[20,31,40,49,52,62,70,75,80,85],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],956062008,[24,25,26,27],"['purple ', 'tomato']","['purple']","['seashell', 'gold', 'pink', ' brown ']","['gold', 'pink', 'brown', 'purple', tomato ']","下面代码的输出结果是: ( )s =["seashell" ,"gold" ,"pink" ,"brown" ,"purple" ,"tomato" ]print(s[4:])","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],956062045,[35,36,37,38],"[1,2,3]","[3,2,1]","输入的不是列表","运算错误","运行以下程序:try: num = eval(input("请输入一个列表:")) num.reverse() print(num)except: print("输入的不是列表")从键盘上输入1,2,3,则输出的结果是: ( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],956062081,[44,45,46,47],"'PYT'","'PYTH '","'IPYTHON'","'PYTHON'","下列程序的运行结果是: ( ) s ='PYTHON'"{0:3}"fomat(s)",{"answer":50,"createTime":5,"id":6,"options":51,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":29,"type":61},[],956062109,[56,57,58,59],"ZeroDivisionError","TypeError","ValueError","SyntaxError","属于Python 内建异常类的是: ( )",1,{"answer":63,"createTime":5,"id":64,"options":65,"question":68,"source":29,"type":69},[],956062126,[66,67],"对","错","lambda表达式中可以使用任意复杂的表达式,但是必须只编写一个表达式",3,{"answer":71,"createTime":5,"id":72,"options":73,"question":74,"source":29,"type":69},[],956062130,[66,67],"如果定义类时没有编写析构函数,Python将提供一个默认的析构函数进行必要的资源清理工作",{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":29,"type":69},[],956062133,[66,67],"假设x是含有5个元素的列表,那么切片操作x[10:]是无法执行的,会抛出异常",{"answer":81,"createTime":5,"id":82,"options":83,"question":84,"source":29,"type":69},[],956062134,[66,67],"不可以在同一台计算机上安装多个Python版本",{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":29,"type":69},[],956062137,[66,67],"对于生成器对象x = (3 for i in range(5)),连续两次执行list(x)的结果是一样的"]