[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f65fMNNpThFMUeNMDvL5FHlbpaflL2g3-cAB1DXtUREE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":9,"question":16,"related":17,"source":27,"type":28},[],"2025-04-29 15:20:15",185205578,[8,8,8,8],"",{"count":10,"courseId":11,"courseImg":12,"courseName":13,"workId":14,"workName":15},60,"16144b35a413b1701476ec6af366c9e7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","Python24-25（2）","work_43173219","Python作业5(第7章)","执行以下程序段,输出结果是( ). \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F64e137cbdcd2c2d23e8081de7498ea7c.png\">",[18,29,38,47,56,65,74,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],185205572,[22,23,24,25],"映射类型中的键值对是一种一元关系","字典类型可以直接通过值进行索引","键值对(key,value)在字典中表示形式为<键1>--<值1>","映射类型是"键值"数据项的组合,每个元素是一个键值对,元素之间是无序的","关于映射类型,描述正确的是","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],185205573,[33,34,35,36],"Python列表是一个可以修改数据项的序列类型","Python列表的长度不可变","Python列表是包含0个或者多个数据项的序列","Python列表用中括号[]表示","关于Python的列表,描述错误的选项是( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],185205574,[42,43,44,45],"d = {[1,2]:1, [3,4]:3}","d = {(1,2):1, (3,4):3}","d = {1:[1,2], 3:[3,4]}","d = {'张三':1, '李四':2}","以下选项中,不是建立字典的方式是",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],185205575,[51,52,53,54],"dict([(1,2), (3,4)])","{1,2,3}","{}","{"A":111,"B":222}","下列语句中,不能创建一个字典的是( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],185205576,[60,61,62,63],"x = [ 200, "flg", 20.3 ]","x = {"flg":20.3}","x = ( 200, "flg", 20.3)","x = { 200,"flg", 20.3}","以下表达式,正确定义了一个集合数据对象的是",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],185205577,[69,70,71,72],"9","3","6","12","字典d={'abc':123, 'def':456, 'ghi':789},len(d)的结果是‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬:‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬",{"answer":75,"createTime":5,"id":6,"options":76,"question":16,"source":27,"type":28},[],[8,8,8,8],{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],185205579,[81,82,83,84],"dict_items([('Age', 7), ('Name', 'baby')])",", ('Name', 'baby')]","'Age':7, 'Name': 'baby'",", ('Name', 'baby')","以下程序的输出结果是: dict = {'Name': 'baby', 'Age': 7} print(dict.items())",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],185205580,[90,91,92,93],"序列类似和映射类型都是一类数据类型的总称","集合类型是一种具体的数据类型","Python 的集合类型跟数学中的集合概念一致,都是多个数据项的无序组合","字典类型的键可以用的数据类型包括字符串,元组,以及列表","以下关于组合数据类型的描述,错误的是( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],185205581,[99,100,101,102],"30","45","55","90","以下程序不可能的输出结果是: from random import * x = [30,45,50,90] print(choice(x))"]