''' file2 文件内容：
很任性
when
i
was
young
'''
源代码：
f = open("file2",'r',encoding="utf-8")
print(f.readline())
print(f.readline())
print(f.readline())
print(f.readline())
print(f.readline())
错误提示：
D:\python\python.exe D:/pythonWork/day2/file-op.py
Traceback (most recent call last):
File "D:/pythonWork/day2/file-op.py", line 10, in <module>
print(f.readline())
File "D:\python\lib\codecs.py", line 321, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xba in position 21: invalid start byte
修改之后代码：
f = open("file2",'r',encoding="gbk")
print(f.readline())
print(f.readline())
print(f.readline())
print(f.readline())
print(f.readline())
执行结果:
很任性
when
i
was
young
Process finished with exit code 0