auto save

func.py

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