Function to prune dictionary keys not working

[Serge Orlov]

On 6/27/06, John Machin <sjmachin at lexicon.net> wrote:
> |>> '1.00' >= 0.5
> True
> |>> '0.33' >= 0.5
> True
>
> Python (correctly) does very little (guesswork-based) implicit type
> conversion.

At the same time, Python (incorrectly :) compares incomparable objects.