while True: dd = rx.recv(7) #ff = cx.recv(1024) hexStr = binascii.hexlify(dd) hexStrFormatted = '' for i, hexChar in enumerate(hexStr): if i%2 != 0: appendChar = hexChar+' '*7 else: appendChar = hexChar hexStrFormatted = hexStrFormatted+appendChar #print hexStrFormatted print hexStrTObinStr(hexStr) print len(dd)