code: def wantsAndCouldChangeLane(self, vehID, direction):
          
          state = self.getLaneChangeState(vehID, direction)[0]
          if state & tc.LCA_BLOCKED == 0:
              if direction == -1:
                  return state & tc.LCA_RIGHT != 0
              if direction == 1:
                  return state & tc.LCA_LEFT != 0
          return False
docs: wantsAndCouldChangeLane(string, int) -> bool
          Return whether the vehicle wants to and could change lanes in the specified direction