Help with AI search script

Frank Buss fb at frank-buss.de
Wed Aug 28 04:40:48 CEST 2002


denimboy at yahoo.com (Dennis Watson) wrote:

> def depth_first (start, goal_p, successors):
>     """Search new states first until goal is reached"""
>     return tree_search ( [start], goal_p, successors, lambda (new,
> old): (new.extend(old)) )

You MUST write:

lambda new, old: (new.extend(old))

And you CAN omit the other parantheses:

lambda new, old: new.extend(old)

For all lambda expressions in your code.

-- 
Frank Buss, fb at frank-buss.de
http://www.frank-buss.de, http://www.it4-systems.de

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