将\ r \n文本转换为\n,以便readlines()按预期工作

text = "This is line 1\r\nThis is line 2\r\nThis is line 3"
text = text.replace('\r\n', '\n')
lines = text.split('\n')
for line in lines:
    print(line)

This is line 1
This is line 2
This is line 3