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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 log(self):
 """Log current settings."""

        log.info('PyPhi v%s', __about__.__version__)
        if self._loaded_files:
            log.info('Loaded configuration from %s', self._loaded_files)
        else:
            log.info('Using default configuration (no configuration file '
                     'provided)')
        log.info('Current PyPhi configuration:\n %s', str(self))