题目

下列程序执行后的结果为（　　）   L = [1,-2,3,7,-8,-9,10] j=len(L)-1 i = 0 k = 0 while i<j:     while L[i]>0:         i=i+1     while L[j]<0:         j=j-1     if i<j:         k = L[i]         L[i]=L[j]         L[j] = k print(L) A . 1,10,3,7,-8,-9,-2 B . 1,3,7,10,-2,-8,-9 C . 1,3,7,10,-8,-9,-2 D . -2,-8,-9,1,3,7,10 答案：A

查看本题答案和解析