Allow multiple messages by taking user input

client.py

@@ -28,13 +28,17 @@ def main():
 	if s is None:
 		print('could not open socket')
 		sys.exit(1)
+	print("Entering back-and-forth. You'll get to enter a new message once a message is received. Send SIGINT (use Control-C) to exit")
 	with s:
-		s.sendall(b'Hello, world')
-		data = s.recv(1024)
-	print('Received', repr(data))
-
-	if __name__ == "__main__":
-		main()
+		s.sendall(b'Hello there')
+		try:
+			while True:
+				data = s.recv(1024)
+				print(">: ", repr(data))
+				response = input("$: ")
+				s.sendall(response.encode("UTF-8"))
+		except KeyboardInterrupt:
+			print("Exiting.")
 
 if __name__ == "__main__":
 	main()