import socket
s=socket.socket()
s.bind(('localhost',8000))
s.listen(5)
c,addr=s.accept()
size=int(input("Enter number of frames to send : "))
l=list(range(size))
s=int(input("Enter Window Size : "))
st=0
i=0
while True:
   while(i<len(l)):
    st+=s
    c.send(str(l[i:st]).encode())
    ack=c.recv(1024).decode()
    if ack:
       print(ack)
       i+=s

import socket
s=socket.socket()
s.connect(('localhost',8000))
while True: 
    print(s.recv(1024).decode())
    s.send("acknowledgement recived from the server".encode())