코드를 바꿨는데도

C:Usersoworkspacemooclab_1_windows (1)windows>atom arithmetic_function.py

C:Usersohmoonkyoworkspacemooclab_1_windows (1)windows>python

Python 3.7.0 (default, Jun 28 2018, 08:04:48) [MSC v.1912 64 bit (AMD64)] :: Anaconda, Inc. on win32

Type "help", "copyright", "credits" or "license" for more information.

import arithmetic_function

arithmetic_function.addition(5,8)

안뜹니다 답이.

def addition(a, b):

result = a+b

return result
이렇게 해쓴ㄴ데요