(self)
return len(self._tar_frame_steps)
Get the number of target frames to include in the observations.

    Returns:
      Number of target frames.
Get the number of target frames to include in the observations.
Get the number of target frames to include in the observations .
def get_num_tar_frames(self):
    """Get the number of target frames to include in the observations.

    Returns:
      Number of target frames.
    """
    return len(self._tar_frame_steps)
def get_num_tar_frames ( self ) : return len ( self . _tar_frame_steps )