auto save

diy1.py

+goods={"旺仔牛奶":{'名字':'旺仔牛奶','价格':12}}
+
+while True:
+      s=input("请输入要查询的姓名,退出请按q")  
+      if s in goods:
+            a=goods[s]
+            for j,l in a.items():
+                  print(30*"*")
+                  print(j,l)
+                  print(30*"*") 
+      elif s== "q" :
+            break
+      else:
+            print("请重新输入")
+            continue
+