[Tkinter] bind lambda keypress counter

[knoxvilles_joker]

I am trying to recreate a flash piece in python:
This is a link to a thread that contains the flash based sentry gun program: http://forum.alienslegacy.com/viewtopic.php?f=3&t=3019


I have been playing around with things and so far this is my attempt do program logic for a fire countdown button press counter:

import pygame
from tkinter import *
import tkinter
import keyboard
import pynput


pygame.init()


def final_count(event):
    if count == 0:
      count == 500
    count -= 1
    print(count)
    

# Create object
root = tkinter.Tk()

# Adjust size
root.geometry("640x400")
root.configure(bg='black')
var = StringVar()
var = 500

count = IntVar()
Grid.rowconfigure(root,0,weight=1, uniform='a')
Grid.columnconfigure(root,0,weight=1, uniform='a')
Grid.rowconfigure(root,1,weight=1, uniform='b')
Grid.columnconfigure(root,1,weight=1, uniform='b')

rounds = Button(root,justify=CENTER,textvariable=(var),bg='black', fg='yellow', highlightbackground='yellow', highlightcolor='black',activebackground='yellow')
rounds.grid(row=0,column=0, sticky="EW")
label1 = Label(root, textvariable=count)
label1.grid(row=1, column=0, sticky="EW")
label1.bind('<KeyPress>', lambda f : final_count)



root.mainloop()

I am documenting the progress here:
http://forum.alienslegacy.com/viewtopic.php?f=3&t=19394
And trying to recreate the font used here:
http://forum.alienslegacy.com/viewtopic.php?f=3&t=19399