读写文件

读文件

file=open('aa.txt')
for line in file:
    line=line.strip()
    print(line)

写文件

with open('test_w.txt', mode='w', encoding='utf8') as f:
        lines = [
            'this is my text for write,',
            'hello world!',
            'bye'
        ]
        # 注意 writelines 不会写入换行,需要我们自己加。
        f.writelines(lines)
        # 以上等同于以下
        lines = [
            'this is my text for write,\n',
            'hello world!\n',
            'bye\n'
        ]
        # 注意 writelines 不会写入换行,需要我们自己加。
        for line in lines:
            line=line+'\n'
            f.write(line)






posted @ 2022-02-17 23:29  lifei888  阅读(24)  评论(0)    收藏  举报