------------------------
C:\Users\Administrator\AppData\Local\Programs\Python\Python36\python.exe D:/study/study/TEST/PythonTest/test.py
Traceback (most recent call last):
File "D:/study/study/TEST/PythonTest/test.py", line 8, in <module>
fo.write("abc");
TypeError: a bytes-like object is required, not 'str'