Python-按行遍历文件

Python 按行遍历文件的两种写法

def readline_1():
    with open(expanduser('some.txt'), 'r') as file:
        line: str = file.readline()
        print('readline_1:', type(line))
        while line:
            print('readline_1:', type(line))
            line = file.readline()

def readline_2():
    # https://www.guru99.com/python-file-readline.html
    with open(expanduser('some.txt'), 'r') as logfile:
        while True:
            line: str = logfile.readline()
            if line == '':
                break
            elif line:
                print('readline_2:', type(line))