$ python pp-example1.py
------ converted script ------
_extend=_buf.extend;_to_str=to_str;_escape=escape; _extend(('''## normal expression
value = ''', _escape(_to_str(value)), '''
## with preprocessing
value = My Great Example\n''', ));

------ rendered html ------
## normal expression
value = My Great Example
## with preprocessing
value = My Great Example

