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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_client_fqdn(self, client_info_contents):
 """Extracts a GRR client's FQDN from its client_info.yaml file. Args: client_info_contents: The contents of the client_info.yaml file. Returns: A (str, str) tuple representing client ID and client FQDN. """

    yamldict = yaml.safe_load(client_info_contents)
    fqdn = yamldict['system_info']['fqdn']
    client_id = yamldict['client_id'].split('/')[1]
    return client_id, fqdn