save project

1.py/1.py

 cost={"苹果":5.2,"山竹":12.9,"香蕉":2.4,"荔枝":15,"葡萄":9.3,"桂圆":8,"蓝莓":10,"李子":8}
+a=input("请输入水果名称")
+b=input("请输入水果价格")
+if a in cost:
+    if float(b)>int(cost[a]):
+        cost[a]=float(b)
+        print(cost[a])
+    else:
+        print("不用改变")
+else:
+    print("我没这玩意儿")