auto save

diy.py

@@ -4,5 +4,9 @@ a=input("输入商品:")
 for i in dict:
     if  i==a:
         print("您要的商品"+a+"价格是"+str(dict[a])+"元")
+else:
+    print("没有")
 if a in dict:
-    print("您要的商品"+a+"价格是"+str(dict[a])+"元")
\ No newline at end of file
+    print("您要的商品"+a+"价格是"+str(dict[a])+"元")
+else:
+    print("None")
\ No newline at end of file