auto save

func.py

 total = []
 total = []
 while True:
 while True:
-    unit= input("请输入：")
-    if unit== 'q':
+    try:
+        unit = input("请输入价格：")
+    except:
+        print("请输入整数")
+    else:
+        if unit == "q":
             break
             break
         else:
         else:
             total.append(unit)
             total.append(unit)
-print(total)
\ No newline at end of file