python如何删除文件里包含关键词的行

import shutilwith open('/path/to/file', 'r') as f:    with open('/path/to/file.new', 'w') as g:        for line in f.readlines():            if '/local/server' not in line:                             g.write(line)shutil.move('/path/to/file.new', '/path/to/file')