text: Consider using design patterns or architectural principles to structure your code in a modular and scalable way.        By following these steps, you can leverage the benefits of callback handlers, such as asynchronous and event-driven programming, improved responsiveness, and modular code design.    >>> input >>>    >>>: qPreviousArgillaNextArxivCommunityDiscordTwitterGitHubPythonJS/TSMoreHomepageBlogCopyright Â© 2023 LangChain, Inc.