def list_users(self, limit=<NUM_LIT:20>):
parameters = dict()<EOL>parameters['<STR_LIT>'] = limit<EOL>response = self.request('<STR_LIT>', parameters)<EOL>return response<EOL>
List the public users in the system.

:param limit: (optional) The number of users to fetch.
:type limit: int | long
:returns: The list of users.
:rtype: list[dict]