code: def get(self, call_sid):
          
          return ParticipantContext(
              self._version,
              account_sid=self._solution['account_sid'],
              conference_sid=self._solution['conference_sid'],
              call_sid=call_sid,
          )
docs: Constructs a ParticipantContext
  
          :param call_sid: The Call SID of the resource to fetch
  
          :returns: twilio.rest.api.v2010.account.conference.participant.ParticipantContext
          :rtype: twilio.rest.api.v2010.account.conference.participant.ParticipantContext