Checkbutton Widget

 check.py

#!/usr/bin/env python3

from tkinter import *

root =Tk()

root.geometry("400x400")

def show():

    my_label = Label(root, text=var.get()).pack()

var = StringVar()

c=Checkbutton(root, text="Here", variable=var, onvalue = "On", offvalue = "Off", command=show)

c.deselect()

c.pack()

my_button = Button(root, text="show", command=show).pack()

root.mainloop()