socket network programming

# ##Network programming## 
# Sender 
# import socket ###Import socket 
# socket.TCP/IP ###Define the client, define the socket type 
# connect(a.ip,a.port) ##Connect to the remote machine 
# socket.send(hello)##start sending 
# socket.recv() ##then receive 
# socket.close()##client closes


# # The receiving end, that is, the server end 
# import socket #### 
# socket.TCP/IP ### Definition type 
# listen(0.0.0.0,69696) ### Listening port 
# waiting() ### Waiting for connection 
# recv() ### Receive data 
# send() ### Send data