Updating python dictionary

James Mills prologic at shortcircuit.net.au
Sun Sep 7 18:42:06 EDT 2008


On Mon, Sep 8, 2008 at 8:37 AM, John Machin <sjmachin at lexicon.net> wrote:
> Is this homework?

I hope it's not - or I'll  be quite annoyed :)

> There seems to be an implicit assumption in the answers so far that
> your mapping is a 1:1 mapping of all possible input keys.
>
> If it doesn't include all possible input keys, answers will crash with
> a KeyError. If there are any many:1 elements in the mapping (for
> example, {'a': 'A', 'b': 'A'}), lossage happens. You may wish to code
> in some checks for this.

You are quite right! But then he/she didn't
ask for this right ? :)

cheers
James

-- 
--
-- "Problems are solved by method"



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