on.keychord_press = function(chord, key)
	if chord == '1' then
		if Mode == 'teach' then Mode = 'learn'
		else Mode = 'teach' end
		return
	end
	if Mode == 'teach' then
		teach_keychord_press(chord, key)
	else
		learn_keychord_press(chord, key)
	end
end