title: How do I start a session in a Python web application?
body: <p>This question is based on <a href="https://stackoverflow.com/questions/1184888/to-understand-a-line-about-a-login-variable-in-a-session/1184931#1184931">this answer</a>.</p>
  
  <p>I'm looking for a function similar to PHP's <code>session_start()</code> for Python. I want to access a dictionary like <code>$_SESSION</code> in PHP which becomes available after running the command.</p>