code: def stmts_to_json_file(stmts, fname):
      
      with open(fname, 'w') as fh:
          json.dump(stmts_to_json(stmts), fh, indent=1)
docs: Serialize a list of INDRA Statements into a JSON file.
  
      Parameters
      ----------
      stmts : list[indra.statement.Statements]
          The list of INDRA Statements to serialize into the JSON file.
      fname : str
          Path to the JSON file to serialize Statements into.