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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 list_network_ip_availabilities(self, retrieve_all=True, **_params):
 """Fetches IP availibility information for all networks"""

        return self.list('network_ip_availabilities',
                         self.network_ip_availabilities_path,
                         retrieve_all, **_params)