save project

func.py

@@ -4,6 +4,11 @@ def new_input():
         unit= input('请输入：')
         if unit=='q':
             break
+        try:
+            unit = int(unit)
+        except:
+            print("输入有误,你需要输入数字价格")
+            continue
         else:
             total.append(unit)
     print(total)