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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 is_file_excluded(self, repo_abspath, repo_file_path):
 """ Checks whether file at a given path is excluded. @param repo_abspath: Absolute path to the git repository. @type repo_abspath: str @param repo_file_path: Path to a file relative to repo_abspath. @type repo_file_path: str @return: True if file should be excluded. Otherwise False. @rtype: bool """

        next(self._check_attr_gens[repo_abspath])
        attrs = self._check_attr_gens[repo_abspath].send(repo_file_path)
        return attrs['export-ignore'] == 'set'