75_checkbox.py

from tkinter import *

def display():
    if(x.get() == 1):
        print("You agree!")
    else:
        print("You don't agree!")

window = Tk()

logo = PhotoImage(file='py.png')
x = IntVar()

check_button = Checkbutton(window,
                           text="I agree to something",
                           variable=x,
                           onvalue=1,
                           offvalue=0,
                           command=display,
                           font=('Arial',20),
                           fg='green',
                           bg='black',
                           activebackground='black',
                           activeforeground='green',
                           padx=25,
                           pady=10,
                           image=logo,
                           compound='left'
)
check_button.pack()

window.mainloop()