lesson6.py

from tkinter import * 

root = Tk()

root.title("Tkinter")
root.geometry("500x500")

w = Label(root, text ='Turtle Code', font = "50") 
w.pack()
  
Checkbutton1 = IntVar()  
Checkbutton2 = IntVar()  
Checkbutton3 = IntVar()
  
Button1 = Checkbutton(root, text = "Tutorial", 
                      variable = Checkbutton1,
                      onvalue = 1,
                      offvalue = 0,
                      height = 2,
                      width = 10)
  
Button2 = Checkbutton(root, text = "Student",
                      variable = Checkbutton2,
                      onvalue = 1,
                      offvalue = 0,
                      height = 2,
                      width = 10)
  
Button3 = Checkbutton(root, text = "Courses",
                      variable = Checkbutton3,
                      onvalue = 1,
                      offvalue = 0,
                      height = 2,
                      width = 10)  
    
Button1.pack()  
Button2.pack()  
Button3.pack()

root.mainloop()