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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 load_file(self, file_name):
 """ Find and return the template with the given file name. Arguments: file_name: the file name of the template. """

        locator = self._make_locator()

        path = locator.find_file(file_name, self.search_dirs)

        return self.read(path)