Substitution with Hash Values

[Jon Ribbens]

In article <mailman.1019254077.7316.python-list at python.org>, holger krekel wrote:
> 	 re.sub('\{\{(.*?)\}\}',lambda x: dict[x.group(1)], str)

Need a raw string there, i.e.

  r"\{\{(.*?)\}\}"

Plus 'str' is perhaps not the best choice of variable name ;-)