[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7NkTzm_gRIJ6cg6m5iYJCRWbA7vve6ND4eGV_XzTsaM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":25,"type":26},[],"2026-03-31 12:23:38",332065994,[8,9,10,11],"1","2","3","0",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","已知字符串 s = "red,green,blue,red",执行 s.count('red') 的结果是",[18,27,36,39,48,57,66,75],{"answer":19,"createTime":5,"id":20,"options":21,"question":24,"source":25,"type":26},[],332065992,[11,22,23,8],"10","-1","已知字符串 s = "cat,dog,fox,cat,bear",执行 s.find('cat') 的结果是","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],332065993,[31,32,33,34],"9","14","-2","8","已知字符串 s = "sun,moon,star,sun",执行 s.rfind('sun') 的结果是",{"answer":37,"createTime":5,"id":6,"options":38,"question":16,"source":25,"type":26},[],[8,9,10,11],{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":25,"type":26},[],332065995,[43,44,45,46],"['apple:', 'banana:', 'peach']","['apple:banana:peach']","'applebananapeach'","['apple', 'banana', 'peach']","已知字符串 s = "apple:banana:peach",执行 s.split(':') 的结果是",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":25,"type":26},[],332065996,[52,53,54,55],"('hello-world', '-', 'python')","('hello', '-', 'world-python')","('hello', 'world-python', '-')","('hello-world-python', '', '')","已知字符串 s = "hello-world-python",执行 s.partition('-') 的结果是",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":25,"type":26},[],332065997,[61,62,63,64],"'book pen pencil'","['book', '-', 'pen', '-', 'pencil']","'book-pen-pencil'","'bookpenpencil'","已知列表 li = ['book', 'pen', 'pencil'],执行 '-'.join(li) 的结果是",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":25,"type":26},[],332065998,[70,71,72,73],""I love programming"",""I LOVE PROGRAMMING"",""I Love Programming"",""i LOVE PROGRAMMING"","已知字符串 s = "i love programming",执行 s.title() 的结果是",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":25,"type":26},[],332065999,[79,80,81,82],""pythondemo"",""python demo "","" python demo"",""python demo"","已知字符串 s = " python demo ",执行 s.strip() 的结果是"]