Pythonic way for missing dict keys

[Alex Popescu]

Jakub Stolarski <jakub.stolarski at gmail.com> wrote in 
news:1184961448.456134.153020 at k79g2000hse.googlegroups.com:

> Version 1 and 2 do different thing than version 3. The latter doesn't
> add value to dict.
> 
> As it was mentioned before, use:
> 1 - if you expect that there's no key in dict
> 2 - if you expect that there is key in dict
> 

I may be missing something but I think the 3 approaches are completely 
equivalent in terms of functionality.

./alex
--
.w( the_mindstorm )p.