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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 logger(self):
 """ The logger for this class. """

        # This is internal/CPython only/etc
        # It's also astonishingly faster than alternatives.
        frame = sys._getframe(1)
        file_name = frame.f_code.co_filename

        module_name = _get_module(file_name)
        return logging.getLogger(module_name)