code: def group(self, indent: int = DEFAULT_INDENT, add_line: bool = True) -> _TextGroup:
          
          return _TextGroup(self, indent, add_line)
docs: Returns a context manager which adds an indentation before each line.
  
          :param indent: Number of spaces to print.
          :param add_line: If True, a new line will be printed after the group.
          :return: A TextGroup context manager.