Getting around immutable default arguments for recursion

James Mills prologic at
Thu Jan 15 00:37:14 CET 2009

On Thu, Jan 15, 2009 at 9:27 AM, dpapathanasiou
<denis.papathanasiou at> wrote:
> Without the "if priors:" line just above the first return statement (a
> typo perhaps?), then yes, it would do what I want.

Yes sorry it was :)

>> a) a global should and need not be used.
> Passing the entire dictionary to every function that accesses it is
> better?

Yes :)

>> b) this function could be rewritten without recursion.
> Right, any recursive function can be written iteratively and vice-
> versa. I'm not sure that makes it "bad".

No it doesn't necessarily make it bad,
but recursion is not necessary here :)

What does history_db look like ? I think
I can write a much simpler function for you.

Also, show me what the results are used for.


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