python打开文件为什么不全部执行呢

Question

with open('learning_python.txt') as learning_python :
    print(learning_python.read())
    for line in learning_python:
        print(line)

为什么不全部执行呢

如图，为什么只执行第一行呢

Answer 1

题主您好，我刚才试了一下你的代码，是可以打印的，但是不够规范，您看看这个

    with open(r'C:\Users\17591\Desktop\a.txt', "r+", encoding="UTF-8") as learning_python:
        # print(learning_python.read())
        for line in learning_python.readlines():
            print(line)

readlines 表示将每行内容存入列表中，然后line打印出来