如何在使用python ftp下载文件时确定路径

from ftplib import FTP

ftp = FTP('ftp.example.com')
ftp.login(user='username', passwd='password')

ftp.cwd('path/to/directory')

files = ftp.nlst()

import os

filename = 'example.txt'
file_path = os.path.join('path/to/directory', filename)

with open(filename, 'wb') as file:
    ftp.retrbinary(f'RETR {file_path}', file.write)

from ftplib import FTP
import os

ftp = FTP('ftp.example.com')
ftp.login(user='username', passwd='password')

ftp.cwd('path/to/directory')

files = ftp.nlst()

filename = 'example.txt'
file_path = os.path.join('path/to/directory', filename)

with open(filename, 'wb') as file:
    ftp.retrbinary(f'RETR {file_path}', file.write)

ftp.quit()