ths, i misunderstood the method 2015-03-11 1:33 GMT+08:00 Chris Angelico <rosuav@gmail.com>:
On Wed, Mar 11, 2015 at 4:27 AM, lou xiao <lox.xiao@gmail.com> wrote:
I find a bug in str.lstrip, when i call str.lstrip, i get this result.
tiny➜ ~ python Python 2.7.5+ (default, Feb 27 2014, 19:37:08) [GCC 4.8.1] on linux2 Type "help", "copyright", "credits" or "license" for more information.
a='device_info' a.lstrip('device') '_info' a.lstrip('device_') 'nfo'
tiny➜ ~ uname -a Linux tinymint 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux tiny➜ ~
It's not a bug, because it isn't doing what you think it is. It strips a *set of characters*, not a prefix string.
https://docs.python.org/2/library/stdtypes.html#str.lstrip https://docs.python.org/3/library/stdtypes.html#str.lstrip
ChrisA