tutorial_server.py

# first of all import the socket library
import socket               

# next create a socket object
s = socket.socket()         
print("Socket successfully created")

# reserve a port on your computer in our
# case it is 12345 but it can be anything
port = 12345                

# Next bind to the port
# we have not typed any ip in the ip field
# instead we have inputted an empty string
# this makes the server listen to requests 
# coming from other computers on the network
s.bind(('', port))        
print("socket binded to {0}".format(port))

# put the socket into listening mode
s.listen(5)     
print("socket is listening")            

# a forever loop until we interrupt it or 
# an error occurs
while True:
   # Establish connection with client.
   c, addr = s.accept()     
   print('Got connection from {0}'.format(addr))

   # send a thank you message to the client. 
   c.send('Thank you for connecting')
   # Close the connection with the client
   c.close()