code: def setShape(self, polygonID, shape):
          
          self._connection._beginMessage(tc.CMD_SET_POLYGON_VARIABLE,
                                         tc.VAR_SHAPE, polygonID, 1 + 1 + len(shape) * (8 + 8))
          self._connection._string += struct.pack("!BB",
                                                  tc.TYPE_POLYGON, len(shape))
          for p in shape:
              self._connection._string += struct.pack("!dd", p)
          self._connection._sendExact()
docs: setShape(string, list((double, double))) -> None
  
          Sets the shape (list of 2D-positions) of this polygon.