python文件读取写入中文乱码问题

当写入时我们可能会遇到乱码的情况，可以这样写

import oswith open('C:/Users/top/PycharmProjects/untitled4/venv/CSDN.txt','r',encoding='utf-8') as f:print(f.readlines())with open('C:/Users/top/PycharmProjects/untitled4/venv/CSDN.txt','a',encoding='utf-8') as f:f.write('\nasd我fgh')#这样我们就可以把汉字写入了