Naive idiom questions

[Paul Rubin]

Terran Melconian <te_rem_ra_ove_an_forspam at consistent.org> writes:
>     I want to be able to accumulate a string with +=, not by going
>     through an intermediate list and then doing ''.join(), because I
>     think the latter is ugly.  There are also times when I'd like to use
>     the string as a modifiable buffer.

See the StringIO, cStringIO, and array modules.  

> 	l=[[None]*5 for i in range(5)]

This is the usual way.

> * Is there a way to get headings in docstrings?

I think this is normally not done.