definition with the @gen.coroutine decorator, and await in place of yield. The rest of this document still uses the yield style for compatibility with older versions of Python, but async and await will run Coroutines for more details. In some cases, coroutines may be less convenient than a callback-oriented style, in which case the tornado.web.asynchronous decorator can be used instead. When this decorator is Wrap request handler methods with this if they are asynchronous. This decorator is for callback-style asynchronous methods; for coroutines, use the @gen.coroutine decorator without @asynchronous. (It

definition with the @gen. coroutine decorator, and await in place of yield. The rest of this document still uses the yield style for compatibility with older versions of Python, but async and await will run Documentation, Release 4.5.3 In some cases, coroutines may be less convenient than a callback-oriented style, in which case the tornado.web. asynchronous decorator can be used instead. When this decorator is Wrap request handler methods with this if they are asynchronous. This decorator is for callback-style asynchronous methods; for coroutines, use the @gen.coroutine dec- orator without @asynchronous. (It

handler asynchronous. Tornado also supports a callback-based style of asynchronous handler with the tornado.web.asynchronous decorator, but this style is deprecated and will be removed in Tornado 6.0. New applications asynchronous. 5.2. Web framework 51 Tornado Documentation, Release 5.1.1 This decorator is for callback-style asynchronous methods; for coroutines, use the @gen.coroutine dec- orator without @asynchronous. (It this error (will not be shown to the user unless the Application is in debug mode). May contain %s-style placeholders, which will be filled in with remaining positional parameters. • reason (str) – Keyword-only

RequestHandler.options(*args, **kwargs) → None Input The argument methods provide support for HTML form-style arguments. These methods are available in both singular and plural forms because HTML forms are ambiguous this error (will not be shown to the user unless the Application is in debug mode). May contain %s-style placeholders, which will be filled in with remaining positional parameters. • reason (str) – Keyword-only extends "base.html" %} {% block title %}A bolder title{% end %} {% block student %}