我想编写一个脚本来连接我的FTP服务器，但是对我来说不起作用。
from ftplib import FTP
ftp=FTP()
ftp.set_debuglevel(2)
ftp.connect('192.169.137.100')
ftp.login('test','test')
ftp.dir()
ftp.close()
在构建此脚本时，我得到了这些信息
*get* '220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------\r\n'
*get* '220-You are user number 1 of 50 allowed.\r\n'
*get* '220-Local time is now 23:46. Server port: 21.\r\n'
*get* '220-This is a private system - No anonymous login\r\n'
*get* '220 You will be disconnected after 15 minutes of inactivity.\r\n'
*resp* '220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------\n220-You are user number 1 of 50 allowed.\n220-Local time is now 23:46. Server port: …