button click counter

count-up_button.py

import ctypes
import tkinter


def count_up(): #count-up function
    if var.get() == 10:
        var.set(0)
    else:
        var.set(var.get() + 1)  #count up


if __name__ == "__main__":
    ctypes.windll.shcore.SetProcessDpiAwareness(1)
    root = tkinter.Tk()
    
    var = tkinter.IntVar(root)  #variable for counter

    #label
    l = tkinter.Label(
        root,
        textvariable=var,
    )
    l.pack()

    #count-up button
    b = tkinter.Button(
        root,
        text="Count Button",
        width=15,
        command=count_up,
        )
    b.pack()
    
    root.mainloop()