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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 expose(*methods):
 """A decorator for exposing the methods of a class. Parameters *methods : str A str representation of the methods that should be exposed to callbacks. Returns ------- decorator : function A function accepting one argument - the class whose methods will be exposed - and which returns a new :class:`Watchable` that will notify a :class:`Spectator` when those methods are called. Notes ----- This is essentially a decorator version of :func:`expose_as` """


    def setup(base):
        return expose_as(base.__name__, base, *methods)

    return setup