code: def get_user_id(self, mxit_id, scope='profile/public'):
          
          user_id = _get(
              token=self.oauth.get_app_token(scope),
              uri='/user/lookup/' + urllib.quote(mxit_id)
          )
  
          if user_id.startswith('"') and user_id.endswith('"'):
              user_id = user_id[1:-1]
  
          return user_id
docs: Retrieve the Mxit user's internal "user ID"
          No user authentication required