code: def assign_per_atom_sasa(self):
  		
  		atom_names= [atom.name for atom in self.topology_data.universe.ligand_noH.atoms]
  		sasa_dict = {}
  		for atom in range(0,self.topology_data.universe.ligand_noH.n_atoms):
  			sasa_dict[atom_names[atom]]=[self.sasa[i][atom] for i in range(len(self.sasa))]
  		return sasa_dict
docs: Make a dictionary with SASA assigned to each ligand atom, stored as list of SASA values over
  		the simulation time.