Notes

def client_program():
host = socket.gethostname() # as both code is running on same pc
port = 5000 # socket server port number

client_socket = socket.socket() # instantiate
client_socket.connect((host, port)) # connect to the server

message = input(" -> ") # take input
message1 = input(" -> ")
while message.lower().strip() != 'bye':
client_socket.send(message.encode())
client_socket.send(message1.encode()) # send message
data = client_socket.recv(1024).decode() # receive response

print('Received from server: ' + data) # show in terminal

message = input(" -> ") # again take input
message1 = input(" -> ")

client_socket.close() # close the connection


if __name__ == '__main__':
client_program()






import socket


def server_program():
# get the hostname
host = socket.gethostname()
port = 5000 # initiate port no above 1024

server_socket = socket.socket() # get instance
# look closely. The bind() function takes tuple as argument
server_socket.bind((host, port)) # bind host address and port together

# configure how many client the server can listen simultaneously
server_socket.listen(2)
conn, address = server_socket.accept() # accept new connection
print("Connection from: " + str(address))
while True:
# receive data stream. it won't accept data packet greater than 1024 bytes
data = conn.recv(1024).decode()
data1 = conn.recv(1024).decode()
if not data:
# if data is not received break
break
print("from connected user: " + str(data))
print("from connected user: " + str(data1))
data = int(data)+int(data1)
data=str(data)
conn.send(data.encode()) # send data to the client

conn.close() # close the connection


if __name__ == '__main__':
server_program()