python IO 按行读取abc.txt的内容 读一行输出一行 2种办法

# 获取文件对象
f = open("abc.txt", "r", encoding="utf8")
# 按行遍历内容

# 办法1
# for line in f.readlines():
#     print(line)

# 办法2
# for line in f:
#     print(line)

# 关闭资源
f.close()