itertools.groupby

[Steve Howell]

--- 7stud <bbxx789_05ss at yahoo.com> wrote:

> Bejeezus.  The description of groupby in the docs is
> a poster child
> for why the docs need user comments.  

I would suggest an example with a little more
concreteness than what's currently there.

For example, this code...

import itertools

syslog_messages = [
    'out of file descriptors',
    'out of file descriptors',
    'unexpected access',
    'out of file descriptors',
    ]

for message, messages in
itertools.groupby(syslog_messages):
    print message, len(list(messages))

...produces this...

out of file descriptors 2
unexpected access 1
out of file descriptors 1



       
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