In IPython, typing ? after a variable or function name prints it's doc, and ?? prints it's actual line numbers within the file it is defined and the code corresponding to it.

?? doesn't work for zipped packages and C extensions, but it's one of the most useful features of IPython IMHO.

• Bitbucket: https://bitbucket.org/bobf/bpython/issue/9
• Originally Reported By: Anonymous
• Originally Created At: 2009-06-02T22:59:12.087