lst=[["米塞莉娜",1.84,55],["海伦妮卡",1.75,58],["艾莎",1.72,47],["安娜",1.68,54],["汉斯",1.81,74],["克里斯托弗",1.75,87],["李冥",1.65,54],["安元飞",1.76,69]]
k=0
for i in range(__________):
    for j in range(__________):
        if __________:
            lst[j],lst[j-1]=lst[j-1],lst[j]
        k+=1
print("k=",k)
for item in lst:
    print(item[0],end=" ")