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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 attach_remote_media(self, url, username=None, password=None):
 """Attach remote media by url Given a url, attach remote media (cd/usb image) to the target system. :param url: URL to indicate where to find image (protocol support varies by BMC) :param username: Username for endpoint to use when accessing the URL. If applicable, 'domain' would be indicated by '@' or '\' syntax. :param password: Password for endpoint to use when accessing the URL. """

        self.oem_init()
        return self._oem.attach_remote_media(url, username, password)