列表.[2,8,3,6,5,3,8]输出[8,2,3,5,6]
你这应该是列表去重吧，参考：
s = [2,8,3,6,5,3,8] s1 = set(s) s2 = list(s1) s2.remove(8) s2.insert(0,8) print(s2)