知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 Usually, a descriptor is an object attribute with “binding conduct”, just one whose attribute entry has long been overridden by methods in the descriptor protocol. We may use property setter, getter and deleter techniques to bind the function to property. Person-Agent - User agent to implement with https://propertiesnewgurgaon.tech.blog/