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Content #!/usr/bin/python # -*- coding: utf-8 -*- import keypad, display, random display.drawFill(0xFFFFFF) display.flush() def random_color(): r = lambda : random.randint(0, 255) return '0x%02X%02X%02X' % (r(), r(), r()) def on_key(key_index, pressed): if(pressed): color = random_color() display.drawFill(int(color)) display.flush() keypad.add_handler(on_key)