code: def generate_pretty_output(self, stat, verbose, output_function, logs=True):
          
  
          has_check = False
          for r in self.results:
              has_check = True
              if stat:
                  output_function(OUTPUT_CHARS[r.status],
                                  fg=COLOURS[r.status],
                                  nl=False)
              else:
                  output_function(str(r), fg=COLOURS[r.status])
                  if verbose:
                      output_function("  -> {}\n"
                                      "  -> {}".format(r.description,
                                                       r.reference_url),
                                      fg=COLOURS[r.status])
                      if logs and r.logs:
                          output_function("  -> logs:",
                                          fg=COLOURS[r.status])
                          for l in r.logs:
                              output_function("    -> {}".format(l),
                                              fg=COLOURS[r.status])
  
          if not has_check:
              output_function("No check found.")
          elif stat and not verbose:
              output_function("")
          else:
              output_function("")
              for status, count in six.iteritems(self.statistics):
                  output_function("{}:{} ".format(status, count), nl=False)
              output_function("")
docs: Send the formated to the provided function
  
          :param stat: if True print stat instead of full output
          :param verbose: bool
          :param output_function: function to send output to