title: How to return the last primary key after INSERT in pymysql (python3.5)?
body: <pre><code>CREATE TABLE `users` (
      `id` int(11) NOT NULL AUTO_INCREMENT,
      `email` varchar(255) COLLATE utf8_bin NOT NULL,
      `password` varchar(255) COLLATE utf8_bin NOT NULL,
      PRIMARY KEY (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
  AUTO_INCREMENT=1 ;
  </code></pre>
  
  <p>for example, how to get the primary key <code>id</code> of the last record that I insert into the table by <code>cursor.execute("insert into ...", ...)</code>?</p>