save project

func.py

 total = []
 total = []
 try:
 try:
     while True:
     while True:
-        unit=int(input("请输入："))
+        unit=int(input("请输入价格："))
         total.append(unit)
         total.append(unit)
 except:
 except:
     print('输入错误,请重新输入一个数字')
     print('输入错误,请重新输入一个数字')