code: def generate(grammar=None, num=1, output=sys.stdout, max_recursion=10, seed=None):
      
      if seed is not None:
          gramfuzz.rand.seed(seed)
  
      fuzzer = gramfuzz.GramFuzzer()
      fuzzer.load_grammar(grammar)
  
      cat_group = os.path.basename(grammar).replace(".py", "")
  
      results = fuzzer.gen(cat_group=cat_group, num=num, max_recursion=max_recursion)
      for res in results:
          output.write(res)
docs: Load and generate ``num`` number of top-level rules from the specified grammar.
  
      :param list grammar: The grammar file to load and generate data from
      :param int num: The number of times to generate data
      :param output: The output destination (an open, writable stream-type object. default=``sys.stdout``)
      :param int max_recursion: The maximum reference-recursion when generating data (default=``10``)
      :param int seed: The seed to initialize the PRNG with. If None, will not initialize it.