code: def set_scf_algorithm_and_iterations(self, algorithm="diis",
                                           iterations=50):
          
          available_algorithms = {"diis", "dm", "diis_dm", "diis_gdm", "gdm",
                                  "rca", "rca_diis", "roothaan"}
          if algorithm.lower() not in available_algorithms:
              raise ValueError("Algorithm " + algorithm +
                               " is not available in QChem")
          self.params["rem"]["scf_algorithm"] = algorithm.lower()
          self.params["rem"]["max_scf_cycles"] = iterations
docs: Set algorithm used for converging SCF and max number of SCF iterations.
  
          Args:
              algorithm: The algorithm used for converging SCF. (str)
              iterations: The max number of SCF iterations. (Integer)