code: def set_time(self, time):
          
          x = self.get_time_position(time)
          _, y = self._canvas_ticks.coords(self._time_marker_image)
          self._canvas_ticks.coords(self._time_marker_image, x, y)
          self._timeline.coords(self._time_marker_line, x, 0, x, self._timeline.winfo_height())
docs: Set the time marker to a specific time
  
          :param time: Time to set for the time marker on the TimeLine
          :type time: float