import socket,select,thread; host=socket.gethostname()port=5963addr=(host,port)   inputs=[]fd_name={} def who_in_room(w):  name_list=[]  for k in w:    name_list.append(w[k])      return name_list def conn():  print 'runing'  ss=socket.socket()  ss.bind(addr)  ss.listen(5)    return ss def new_coming(ss):  client,add=ss.accept()  print 'welcome %s %s' % (client,add)  wel='''welcome into the talking room .  please decide your name.....'''  try:    client.send(wel)    name=client.recv(1024)    inputs.append(client)    fd_name[client]=name        nameList="Some people in talking room, these are %s" % (who_in_room(fd_name))    client.send(nameList)      except Exception,e:    print e  def server_run():   ss=conn()  inputs.append(ss)    while True:    r,w,e=select.select(inputs,[],[])    for temp in r:      if temp is ss:        new_coming(ss)      else:        disconnect=False        try:          data= temp.recv(1024)          data=fd_name[temp]+' say : '+data        except socket.error:          data=fd_name[temp]+' leave the room'          disconnect=True                  if disconnect:          inputs.remove(temp)          print data          for other in inputs:            if other!=ss and other!=temp:              try:                other.send(data)              except Exception,e:                print e                    del fd_name[temp]                  else:          print data                    for other in inputs:            if other!=ss and other!=temp:              try:                other.send(data)              except Exception,e:                print e  if __name__=='__main__':  server_run()

import socket,select,threading,sys; host=socket.gethostname() addr=(host,5963) def conn():  s=socket.socket()  s.connect(addr)  return s def lis(s):  my=[s]  while True:    r,w,e=select.select(my,[],[])    if s in r:      try:        print s.recv(1024)      except socket.error:        print 'socket is error'        exit()      def talk(s):  while True:    try:      info=raw_input()    except Exception,e:      print 'can/'t input'      exit()    try:      s.send(info)    except Exception,e:      print e      exit()      def main():  ss=conn()  t=threading.Thread(target=lis,args=(ss,))  t.start()  t1=threading.Thread(target=talk,args=(ss,))  t1.start()if __name__=='__main__':  main()