save project

5.py

+while True:
+    dict={'西瓜':2,'葡萄':5,}
+    k=input("输入水果名")
+    v=input("输入"+k+"的价格")
+    if k in dict:
+        if int(v)<dict[k]:
+            dict[k]=int(v)
+            print("最低价格已更新")
+        else:
+            print("最低价没变")
+    else:
+        dict[k]=int(v)
+        print("新的水果已更新")