FTP is file transfer protocol working on port 21. It is used for transferring files from Client to Server. It is a widely used service. In python, we have only one library for FTP in python that makes all connections for us. The library is ftplib.
SSH stands for secure shell, one of the vastly used and exploited protocol. If not configured correctly, anyone can have entire access of your system with it. Many Worms have exploited the network using SSH.It