save project

diy1.py

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