read,readline,readlines的特点与区别

Posted 2022-12-16 bigox

1.read

• 读取全部文件

with open("test.text", "r",encoding='utf8') as f:
    print(f.read())

输出:

2.readline

• 读取下一行

with open("test.text", "r",encoding='utf8') as f:
    # print(f.read())
    for i in range(10):
        print(f.readline())

输出:

3.readlines

• 读取全部,并返回一个列表

with open("test.text", "r",encoding='utf8') as f:
    print(f.readlines(), type(f.readlines()))

输出: