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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, severity, message):
 """Logs messages about the state of this modular input to Splunk. These messages will show up in Splunk's internal logs. :param severity: ``string``, severity of message, see severities defined as class constants. :param message: ``string``, message to log. """


        self._err.write("%s %s\n" % (severity, message))
        self._err.flush()