[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWd_N8K71nFD6vnGbJ2lUlbAXPF_SHmcypnW3fIiV-nk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-04-07 17:39:19",137185453,[8,9,10,11],"返回序列s中元素x第一次出现的序号","返回序列s中元素x所有出现位置的序号","返回序列s中x的长度","返回序列s中序号为x的元素",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},38,"bba213d9e180644ccedb8b075f73ce28","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb4e0e6a5574c0a2bea5a3691ff957f7.jpg","Python与科学计算库（2024）","a000b7a74d984800951e493be8dd486f","组合数据类型测验","对于序列s,哪个选项对s.index(x)的描述是正确的( )",[21,26,35,44,54,64,73,78,86,95],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],137185454,[30,31,32,33],"替换列表ls最后一个元素为x","向列表ls最前面增加一个元素x","向ls中增加元素,如果x是一个列表,则可以同时增加多个元素","只能向列表ls最后增加一个元素x","对于列表ls,哪个选项对ls.append(x)的描述是正确的( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],137185455,[39,40,41,42],"元组中元素必须是相同类型","元组一旦创建就不能被修改","一个元组可以作为另一个元组的元素,可以采用多级索引获取信息","元组采用逗号和圆括号(可选)来表示","关于Python的元组类型,以下选项错误的是( )",{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":24,"type":25},[],"2024-04-07 17:39:20",137185456,[49,50,51,52],"4","3","8","2","列表ls = [[2, 3, 7], [[3, 5], 25], [0, 9]],len(ls)的值是( )",{"answer":55,"createTime":56,"id":57,"options":58,"question":63,"source":24,"type":25},[],"2024-04-07 17:39:22",137185457,[59,60,61,62],"[22, 43], [1, 43]","[1, 43], [22, 43]","[1, 43], [1, 43]","[22, 43], [22, 43]","列表ls1 = [1, 43],执行ls2 = ls1, ls1[0] = 22,则ls1和ls2的结果分别为( )",{"answer":65,"createTime":56,"id":66,"options":67,"question":72,"source":24,"type":25},[],137185458,[68,69,70,71],"<class 'tuple'>","<class 'dict'>","<class 'set'>","<class 'list'>","Python语句print(type([1, 2, 3, 4]))的运行结果是( )",{"answer":74,"createTime":56,"id":75,"options":76,"question":77,"source":24,"type":25},[],137185459,[68,69,70,71],"Python语句print(type((1, 2, 3, 4)))的运行结果是( )",{"answer":79,"createTime":56,"id":80,"options":81,"question":85,"source":24,"type":25},[],137185460,[49,82,83,84],"5","6","7","Python语句序列"a = (1, 2, 3, None, (), [],); print(len(a))"的运行结果是( )",{"answer":87,"createTime":56,"id":88,"options":89,"question":94,"source":24,"type":25},[],137185461,[90,91,92,93],"hel","he","ell","el","Python语句序列"s = 'hello'; print(s[1:3])"的运行结果是( )",{"answer":96,"createTime":56,"id":97,"options":98,"question":103,"source":24,"type":25},[],137185462,[99,100,101,102],"e","r","ar","le","Python语句序列"fruits = ['apple', 'banana', 'pear']; print(fruits[-1][-1])"的运行结果是( )"]