code: def usearch61_fast_cluster(intermediate_fasta,
                             percent_id=0.97,
                             minlen=64,
                             output_dir=".",
                             remove_usearch_logs=False,
                             wordlength=8,
                             usearch61_maxrejects=8,
                             usearch61_maxaccepts=1,
                             HALT_EXEC=False,
                             output_uc_filepath=None,
                             log_name="fast_clustered.log",
                             threads=1.0):
      log_filepath = join(output_dir, log_name)
      params = {'--minseqlength': minlen,
                '--cluster_fast': intermediate_fasta,
                '--id': percent_id,
                '--uc': output_uc_filepath,
                '--wordlength': wordlength,
                '--maxrejects': usearch61_maxrejects,
                '--maxaccepts': usearch61_maxaccepts,
                '--usersort': True,
                '--threads': threads
                }
      if not remove_usearch_logs:
          params['--log'] = log_filepath
      clusters_fp = output_uc_filepath
      app = Usearch61(params, WorkingDir=output_dir, HALT_EXEC=HALT_EXEC)
      app_result = app()
      return clusters_fp, app_result