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Here we have associated each object with a location. Lists such as
this are, not surprisingly, called "association lists" in Lisp. An
association list is simply a list of lists where the first item in
each inside list is a "key" symbol that is associated with a bunch of
other data. Our map variable was also an association list- The three
keys in that case were living-room, garden, and attic.
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Now that we have defined our world and the objects in the world,
the only thing left to do is describe the location of the player
of the game:
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(setq location 'living-room)
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Now let's begin making some game commands!
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