save project

lxl.py

 def new_input():
     total = []
     while True:
+        print("-"*30)
         unit = input('请输入：')
         if unit=='q':
             break
+        try:
+            unit = int(unit)
+        except:
+            print("输入有误，你需要输出数字价格")
         else:
             total.append(unit)
     print(total)