[python] 中文 encode decode utf-8

python str unicode

str.decode('utf-8') -> unicode
從 ascii 轉成 unicode

encode 反來把 unicode 轉成 ascii

想要f.write utf-8 file 可以使用

import codecs

file = codecs.open("lol", "w", "utf-8")
file.write(u'\ufeff')
file.close()