第三题一点不会不会写救

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/701582469056194.jpg "#

#  f6_8.py
#  顺序不变，去重（dict也可以用list代替），计数
datas=["综合","师范","综合","师范","理科","农林","军事","农林"]
dic=dict()
for data in datas:
  if data not in dic:
    print(f"{data}:{datas.count(data)}")
    dic[data] = datas.count(data)