The Checkbutton widget is used to display a number of options to a user as toggle buttons. The user can then select one or more options by clicking the button corresponding to each option.
Syntax-
c=Checkbutton(window,option=value)
// Here option=value means that there are also some other option which change the figure of the checkbutton.
program-
from tkinter import *
#create a window screen
win=Tk()
win.geometry("300x300")
c1=Checkbutton(win,text="Click1")
c1.place(x=40,y=100)
c2=Checkbutton(win,text="Click2")
c2.place(x=40,y=120)
c3=Checkbutton(win,text="Click3")
c3.place(x=40,y=140)
#hold the screen
win.mainloop()