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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 split( addrinfo: List[Tuple] ) -> Tuple[ List[Tuple[socket.AddressFamily, Tuple]], List[Tuple[socket.AddressFamily, Tuple]], ]: """Partition the ``addrinfo`` list by address family. Returns two lists. The first list contains the first entry from ``addrinfo`` and all others with the same family, and the second list contains all other addresses (normally one list will be AF_INET and the other AF_INET6, although non-standard resolvers may return additional families). """

        primary = []
        secondary = []
        primary_af = addrinfo[0][0]
        for af, addr in addrinfo:
            if af == primary_af:
                primary.append((af, addr))
            else:
                secondary.append((af, addr))
        return primary, secondary