* lou xiao lox.xiao@gmail.com [2015-03-11 01:27:21 +0800]:
I find a bug in str.lstrip, when i call str.lstrip, i get this result.
You're misunderstanding how str.strip works. It takes a set of characters and removes them all from the beginning:
>>> "abababcd".lstrip('ab') >>> 'cd'
Florian