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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def register_recipe(cls, recipe):
 """Registers a dftimewolf recipe. Args: recipe: imported python module representing the recipe. """

    recipe_name = recipe.contents['name']
    cls._recipe_classes[recipe_name] = (
        recipe.contents, recipe.args, recipe.__doc__)