FTP (File Transfer Protocol) needs no presentations: it is among the most used file transfer methods between one or more clients and a server. By design it supports both anonymous access and authentication, but in its most basic form it doesn’t provide data encryption, that’s why it is often secured via TLS.
This is a companion discussion topic for the original entry at https://linuxconfig.org/how-to-connect-to-an-ftp-server-using-python