It would be nice if the user has the option to quit by pressing a key (at line 80)

Tried running the program through GitPod and it doesn't seem to be working with the Tkinter library so maybe it's use should be recommended in the README file.

Traceback (most recent call last):
  File "/workspace/Snake-Game/snake.py", line 5, in <module>
    import tkinter as tk
  File "/home/gitpod/.pyenv/versions/3.8.12/lib/python3.8/tkinter/__init__.py", line 36, in <module>
    import _tkinter # If this fails your Python may not be configured for Tk
ModuleNotFoundError: No module named '_tkinter'

in you script
You have imported random module two times.
It should be imported only once

#for key in keys:

somehow does not allow iteration of TypeError: Iterating over key states is not supported. I removed this line and it works