Python3.7 or higher is required to run this application.
Run the files file_transfer_client.py and file_transfer_server.py in two different terminal instances or two computers on the same network with the following commands:
python3 file_transfer_server.py
python3 file_transfer_client.py
Enter the endpoint of client in server and server in client, to establish connection.
The file f.txt will be sent from the client to the server.
You may change the filename in file_transfer_client.py