code: def make_FULL_BSE_Densities_folder(self, folder):
          
  
          if os.path.exists(folder + "/FULL_BSE_Densities"):
              return "FULL_BSE_Densities folder already exists"
          else:
              os.makedirs(folder + "/FULL_BSE_Densities")
              return "makedirs FULL_BSE_Densities folder"
docs: mkdir "FULL_BSE_Densities" folder (needed for bse run) in the desired folder