Changed command line arguments

client.py

@@ -5,7 +5,15 @@ import sys
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
 # Connect the socket to the port where the server is listening
-server_address = ('localhost', 10000)
+# process command line arguments
+argc = len(sys.argv)
+if argc != 3:
+    print ("usage: python3 client.py serverAddress serverPort")
+    sys.exit()
+serverName = sys.argv[1]
+port = int(sys.argv[2])
+
+server_address = (serverName,port)
 print ('connecting to {} port {}'.format(server_address[0], server_address[1]) )
 sock.connect(server_address)
 

server.py

@@ -4,8 +4,15 @@ import sys
 # Create a TCP/IP socket
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
+# process command line arguments
+argc = len(sys.argv)
+if argc != 2:
+    print ("usage: python3 server.py serverPort")
+    sys.exit()
+port = int(sys.argv[1])
+
 # Bind the socket to the port
-server_address = ('localhost', 10000)
+server_address = ('',port)
 print ('starting up on {} port {}'.format(server_address[0], server_address[1]))
 
 sock.bind(server_address)
@@ -19,7 +26,7 @@ while True:
     connection, client_address = sock.accept()
 
     print ('connection from {}'.format(client_address))
-    
+
     # Receive the data in small chunks and retransmit it.  Continue doing this
     # until the client closes the tcp connection
     while True: