def create_user(self, pseudonym, **kwargs):
from canvasapi.user import User<EOL>if isinstance(pseudonym, dict) and '<STR_LIT>' in pseudonym:<EOL><INDENT>kwargs['<STR_LIT>'] = pseudonym<EOL><DEDENT>else:<EOL><INDENT>raise RequiredFieldMissing("<STR_LIT>")<EOL><DEDENT>response = self._requester.request(<EOL>'<STR_LIT:POST>',<EOL>'<STR_LIT>'.format(self.id),<EOL>_kwargs=combine_kwargs(**kwargs)<EOL>)<EOL>return User(self._requester, response.json())<EOL>
Create and return a new user and pseudonym for an account.

:calls: `POST /api/v1/accounts/:account_id/users \
<https://canvas.instructure.com/doc/api/users.html#method.users.create>`_

:param pseudonym: The pseudonym of the account.
:type pseudonym: dict
:rtype: :class:`canvasapi.user.User`