UnicodeDecodeError 'gbk' codec can't decode byte 0xbf in position 2: illegal multibyte sequence”

python读取txt文本时报错，加了encoding='gb18030', errors='ignore'乱码

 f = open('/Pychon/work/hello.py', encoding='gb18030', errors='ignore')

 

最后发现将 gb18030改为  utf-8解决。。原来是我的Notepad++默认是utf-8编码的