code: def cmd_annotate(self, argv, help):
          
          parser = argparse.ArgumentParser(
              prog="%s annotate" % self.progname,
              description=help,
          )
          parser.parse_args(argv)
          list(self.instances.values())  # trigger instance augmentation
          for global_section in sorted(self.config):
              for sectionname in sorted(self.config[global_section]):
                  print("[%s:%s]" % (global_section, sectionname))
                  section = self.config[global_section][sectionname]
                  for option, value in sorted(section._dict.items()):
                      print("%s = %s" % (option, value.value))
                      print("    %s" % value.src)
                  print()
docs: Prints annotated config