tkinter not working with Python 3

D:\ ... \reversi>python reversi_creator.py
Traceback (most recent call last):
  File "D:\ ... \reversi\reversi_view.py", line 3, in <module>
    from Tkinter import Tk,Canvas,Label,IntVar,Scale,Button,StringVar,OptionMenu,HORIZONTAL,font
ImportError: No module named 'Tkinter'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\ ... \reversi\reversi_creator.py", line 3, in <module>
    from reversi_view import ReversiView
  File "D:\ ... \reversi\reversi_view.py", line 6, in <module>
    from tkinter import Tk, Canvas,Label,IntVar,Scale,Button,StringVar,OptionMenu,HORIZONTAL,font
ImportError: No module named 'tkinter'

D:\ ... \reversi>python
Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:01:18) [MSC v.1900 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()