Modernize Python 2 code to get ready for Python 3 AGAIN

File_Transfer_Protocol/ftp_client_server.py

@@ -8,21 +8,21 @@ host = socket.gethostname()     # Get local machine name
 s.bind((host, port))            # Bind to the port
 s.listen(5)                     # Now wait for client connection.
 
-print 'Server listening....'
+print('Server listening....')
 
 while True:
     conn, addr = s.accept()     # Establish connection with client.
-    print 'Got connection from', addr
+    print('Got connection from', addr)
     data = conn.recv(1024)
     print('Server received', repr(data))
 
-    filename='mytext.txt'
-    f = open(filename,'rb')
-    l = f.read(1024)
-    while (l):
-       conn.send(l)
-       print('Sent ',repr(l))
-       l = f.read(1024)
+    filename = 'mytext.txt'
+    f = open(filename, 'rb')
+    in_data = f.read(1024)
+    while (in_data):
+       conn.send(in_data)
+       print('Sent ', repr(in_data))
+       in_data = f.read(1024)
     f.close()
 
     print('Done sending')
@@ -42,7 +42,7 @@ s.connect((host, port))
 s.send("Hello server!")
 
 with open('received_file', 'wb') as f:
-    print 'file opened'
+    print('file opened')
     while True:
         print('receiving data...')
         data = s.recv(1024)
@@ -55,4 +55,4 @@ with open('received_file', 'wb') as f:
 f.close()
 print('Successfully get the file')
 s.close()
-print('connection closed')
+print('connection closed')