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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 warn(code, message, **kwargs):
 """ Call this to store a warning in the journal. Will raise if `Logger.fatal_warnings` is set to True. """


        if code in Logger._ignored_codes:
            return

        assert code in Logger._warning_code_to_exception
        exc_type, domain = Logger._warning_code_to_exception[code]

        if domain in Logger._ignored_domains:
            return

        level = WARNING
        if Logger.fatal_warnings:
            level = ERROR

        exc = exc_type(message, **kwargs)

        Logger._log(code, exc.message, level, domain)

        if Logger.fatal_warnings:
            raise exc