Error In tkinter Library : NameError: name 'Tk' is not defined

Question

Hello Everybody,

from tkinter import *
window = Tk()
window.mainloop()

This I writed this code & then :

PS D:\Fucker-Backup\Nemesis\EJX\main> py .\tkinter.py    
Traceback (most recent call last):
  File "D:\Fucker-Backup\Nemesis\EJX\main\tkinter.py", line 1, in <module>
    from tkinter import *
  File "D:\Fucker-Backup\Nemesis\EJX\main\tkinter.py", line 4, in <module>
    window = Tk()
NameError: name 'Tk' is not defined

i received this error ! could U help me ?:)