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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 get_name(self):
 """Get name based on dependent_host_name and host_name attributes Each attribute is substituted by 'unknown' if attribute does not exist :return: dependent_host_name/host_name :rtype: str """

        dependent_host_name = 'unknown'
        if getattr(self, 'dependent_host_name', None):
            dependent_host_name = getattr(
                getattr(self, 'dependent_host_name'), 'host_name', 'unknown'
            )
        host_name = 'unknown'
        if getattr(self, 'host_name', None):
            host_name = getattr(getattr(self, 'host_name'), 'host_name', 'unknown')
        return dependent_host_name + '/' + host_name