Python - Tkinter - Checkbutton

import tkinter as tk

def func(text):
    print(text)

root = tk.Tk()

cb1 = tk.Checkbutton(root, text="Hello", command=lambda:func("hello"))
cb1.pack()

cb2 = tk.Checkbutton(root)
cb2.pack()

l = tk.Label(root, text="World")
l.pack()

l.bind('<Button-1>', lambda event:cb2.invoke())

root.mainloop()