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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 _repo_url_to_path(self, repo):
 """Convert a `repo` url to a file path for local storage."""

        repo = repo.replace('http://', '')
        repo = repo.replace('https://', '')
        repo = repo.replace('/', '_')

        return os.sep.join([self._data_directory, repo])