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...Network programming with python ipv and sebastien tixeuil lip fr names from socket import postetixeuil rsr print gethostname getfqdn gethostbyname gethostbyaddr ww infolist getaddrinfo www info s connect strings vs bytes are meant for general unicode support what is sent received through the encoding of into before sending tosend str encode utf decoding when receiving decode udp client server servername a b c d serverport serversocket af inet sock dgram clientsocket bind message input lowercase sentence ready sendto while true modifiedmessage serveraddress recvfrom clientaddress upper close byte order over struct numbers hex pack i unpack x xd exceptions oserror almost every failure that can happen during connection try gaierror address related error nonexistent com timeout expired except this host does not seem to exist...