[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ffNhM8tAruMG2WHpiaJCMjaDQt5X-n5vtxfYa068QHCM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-15 20:03:40",266920664,[8,9,10,11],"A. 创建元组","B. 交换两变量值","C. 拷贝变量","D. 报错",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","语句 x, y = y, x 的作用是",[18,29,38,41,49,58,67,76,84,93],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],266920660,[22,23,24,25],"4.5","4","5","9","表达式 3 ** 2 \u002F\u002F 2 的值为","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],266920662,[33,34,35,36],"A. _var","B. var2","C. 2var","D. var_","下列哪个不是 Python 合法标识符",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":27,"type":28},[],266920666,[45,46,47,11],"A. [1, 2, 3, 4]","B. [1, 2, [3, 4]]","C. [1, 2, 3]","执行 lst = [1, 2]; lst.append([3, 4]) 后 lst 为",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":27,"type":28},[],266920668,[53,54,55,56],"A. a.append(3, 4)","B. a.extend([3, 4])","C. a.add([3, 4])","D. a + [3, 4]","要把列表 a = [1, 2] 扩展为 [1, 2, 3, 4] 应使用",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":27,"type":28},[],266920670,[62,63,64,65],"A. 末尾追加 x","B. 在索引 0 处插入 x","C. 替换索引 0 为 x","D. 删除索引 0","insert(0, x) 的含义是",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":27,"type":28},[],266920671,[71,72,73,74],"A. [3, 5]","B. [5, 3]","C. [3]","D. [5, 5]","lst = [5, 3, 5]; lst.remove(5) 后 lst 为",{"answer":77,"createTime":5,"id":78,"options":79,"question":83,"source":27,"type":28},[],266920672,[80,81,82,11],"A. 删除首元素","B. 删除末元素并返回它","C. 返回 None","pop() 不带参数时默认",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":27,"type":28},[],266920673,[88,89,90,91],"A. del lst","B. lst = []","C. del lst[:]","D. lst.remove()","clear() 的功能等同于",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":27,"type":28},[],266920674,[97,98,99,100],"A. 10","B. 20","C. 30","D. None","lst = [10, 20, 30]; lst.pop(1) 的返回值是"]