<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def start_session(self):
 """Start the underlying APIs sessions Calling this is not required, it will be called automatically if a method that needs a session is called @return bool """

        self._android_api.start_session()
        self._manga_api.cr_start_session()
        return self.session_started