How to get first/last day of the previous month?

[Marco Mariani]

Carsten Haese wrote:

>> dateutil can do this and much, much more.
> 
> Using dateutil for this is like using a sledgehammer to kill a fly. The
> task at hand can (and IMHO should) be solved with the standard datetime
> module.

Sure, but many python programmers are not even aware of the existence of 
that particular sledgehammer, it deserved to be mentioned. It should be 
part of the standard library I think.