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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 movies_directed_by(self, director):
 """Return list of movies that were directed by certain person. :param director: Director's name :type director: str :rtype: list[movies.models.Movie] :return: List of movie instances. """

        return [movie for movie in self._movie_finder.find_all()
                if movie.director == director]