save project

kk.py

+fruit={'西瓜':2,'苹果':3}
+k=input("输入要录入的水果吗：")
+v=input("输入"+k+"的价格")
+if k in fruit:
+    if int(v)<fruit[k]:
+        fruit[k]=int(v)
+        print("已更新最低价格")
+    else:
+        print("最低价格没变")
+else:
+    fruit[k]=int(v)
\ No newline at end of file