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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_user(self, validated_token):
 """ Returns a stateless user object which is backed by the given validated token. """

        if api_settings.USER_ID_CLAIM not in validated_token:
            # The TokenUser class assumes tokens will have a recognizable user
            # identifier claim.
            raise InvalidToken(_('Token contained no recognizable user identification'))

        return TokenUser(validated_token)