enumerate(names) 获取列表的下标
names=["Zhangfei","Guanyu","Liubie","Zhaoyun","Machoa","Jiangwei","Mashu","Zhaoyun"]
print(names.index("Zhaoyun"))
print(names[names.index("Zhaoyun")],'\n')
for index,name in enumerate (names): # 取出列表的下标
print(index,name )