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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 auto_mounter(original):
 """Decorator for automatically mounting, if needed."""

    def mounter(*args):
        """If not mounted, mount."""
        self = args[0]
        if not self.is_mounted():
            self.mount()
        return original(*args)
    return mounter