Behnam Sabaghi FONQRI

	// Upper and lower function, for string cases
	render("Hello {{ upper(neighbour) }}!", data); // "Hello PETER!"
	render("Hello {{ lower(neighbour) }}!", data); // "Hello peter!"

	// Range function, useful for loops
	render("{% for i in range(4) %}{{ loop.index1 }}{% endfor %}", data); // "1234"
	render("{% for i in range(3) %}{{ at(guests, i) }} {% endfor %}", data); // "Jeff Tom Patrick "

	// Length function (please don't combine with range, use list directly...)
	render("I count {{ length(guests) }} guests.", data); // "I count 3 guests."

	from tkinter import *

	root=Tk()

	def buttoncallback():
	print('hello')

	myButton = Button(root,text = ' show ',command=buttoncallback)
	myButton.config(text= ' ok go',bg='red',fg='#2E9AFE')
	myButton.pack()

	from tkinter import *
	from tkinter import ttk
	root=Tk()


	checkbutton=ttk.Checkbutton(root,text='spam ?')
	checkbutton.pack()
	spam=StringVar()
	spam.set('SPAM!')