save project

py.1111

+cost={"苹果":5.2,"山竹":12.9,"香蕉":2.4,"荔枝":15,"葡萄":9.3,"蓝莓":10,"李子":8}
+k=input("请输入水果名字:")
+v=input("请输入水果价钱:")
+if k in cost
+    if fioat(v)<cost[k]
+    cost[k]=float(v)
+    print(k+'降价,现价'+v+'元')
+    else:
+        print(k+"涨价,我们不卖")
+else:
+    cost[k] = float(v)
+    print(k+"的价钱"+v+"元已经上传")
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