> game.move(north)
You can't, the door is shut.
> game.look()
You're standing on a path. There's a house to the
north. A mailbox is present. The path continues south,
into the woods.
Also, take a look at Inform [1]. It's a language/engine designed for text adventures. It's not exactly a standard looking language, as it's very domain specific, but it may give you some ideas for the things your game engine will need to track, and ideas for how to structure things.
[0] REPL: Read-eval-print-loop. This describes the process of the interactive environment that's paired with the language. It reads what you've sent it, evaluates it, prints the output, and repeats.