docs: def find_atoms_within_distance(atoms, cutoff_distance, point):
      """Returns atoms within the distance from the point.
  
      Parameters
      ----------
      atoms : [ampal.atom]
          A list of `ampal.atoms`.
      cutoff_distance : float
          Maximum distance from point.
      point : (float, float, float)
          Reference point, 3D coordinate.
  
      Returns
      -------
      filtered_atoms : [ampal.atoms]
          `atoms` list filtered by distance.
      """
      return [x for x in atoms if distance(x, point) <= cutoff_distance]