[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqsgkL4wb4r8LXL8bMgIujP0WlOX42xCBnxnFw6nBthE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":15,"related":16,"source":26,"type":27},[],"2026-01-21 09:52:58",1080527009,[8,9,10,11],"b=a[::3]","b=a[:3:]","b=a[3::]","b=a[3:3:3]",{"courseImg":13,"courseName":14},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc820543598c49d8a757b89e184a271a7.png","Python语言应用","假设有一个列表a,现要求从列表a中每3个元素取1个,并且将取到的元素组成新的列表b,可以使用语句()",[17,28,37,46,55,64,67,76,85,94],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],1080526971,[21,22,23,24],"x是一个二元元组,判断x是否是字典d中的键值对","判断x是否是字典d中的键","判断x是否是在字典d中以键或值方式存在","判断x是否是字典d中的值","给定字典d,以下选项中对x in d的描述正确的是","v2",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],1080526973,[32,33,34,35],"它们使用相同的硬件执行单元","它们具有相同的值","它们具有相同的数据类型","它们使用相同的计算机指令处理方法","以下选项中,正确地描述了浮点数0.0和整数0相同性的是",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":26,"type":27},[],1080526979,[41,42,43,44],"random()","randint()","getrandbits()","randrange()","random库中用于生成随机小数的函数是",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],1080526982,[50,51,52,53],"o","t","yth","n","已知变量tIndex = &quot;python&quot;,则tIndex[-4]=()",{"answer":56,"createTime":57,"id":58,"options":59,"question":62,"source":26,"type":63},[],"2026-01-21 09:52:59",1080526985,[60,61],"对","错","程序都是由顺序结构、选择结构、循环结构互相嵌套、交织而成的",3,{"answer":65,"createTime":5,"id":6,"options":66,"question":15,"source":26,"type":27},[],[8,9,10,11],{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":26,"type":27},[],1080527011,[71,72,73,74],"9","3","6","0","range(0,10,3)产生序列的索引编号为2的数是多少",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":26,"type":27},[],1080527021,[80,81,82,83],"一维数据","多维数据","二维数据","高维数据","&quot;键值对(字典)&quot;类型数据的组织维度是",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":26,"type":27},[],1080527023,[89,90,91,92],"画布高度与屏幕高度的比例","画布高度与宽度的比例","画布宽度与屏幕宽度的比例","屏幕宽度与画布高度的比例","setup函数的第二个参数的含义是",{"answer":95,"createTime":57,"id":96,"options":97,"question":102,"source":26,"type":103},[],1080527026,[98,99,100,101],"dict1 = { 'abc': 456 }","dict2 = { 'abc': 123, 98.6: 37 }","dict = {'a': 1, 'b': 2, 'b': '3'}","dict = ['a': 1, 'b': 2, 'b': '3']","下面哪些可以创建一个字典",1]