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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 _resolve_one(self, ip):
 """ overloaded version to provide a Whois resolution on the embedded IPv4 address if the address is 6to4 or Teredo. Otherwise, the native IPv6 address is passed. """


        if in6_isaddr6to4(ip): # for 6to4, use embedded @
            tmp = inet_pton(socket.AF_INET6, ip)
            addr = inet_ntop(socket.AF_INET, tmp[2:6])
        elif in6_isaddrTeredo(ip): # for Teredo, use mapped address
            addr = teredoAddrExtractInfo(ip)[2]
        else:
            addr = ip
        
        _, asn, desc = AS_resolver_riswhois._resolve_one(self, addr)

        return ip,asn,desc