from machine import Pin  
import utime  
from gpio_lcd import GpioLcd

lcd = GpioLcd(rs_pin=Pin(10),
          enable_pin=Pin(11),
          d4_pin=Pin(12),
          d5_pin=Pin(13),
          d6_pin=Pin(14),
          d7_pin=Pin(15),
          num_lines=2,
          num_columns=16
          ) 
leds = {  
    "red": Pin(16, Pin.OUT),  
    "green": Pin(17, Pin.OUT),  
    "blue": Pin(18, Pin.OUT)  
}  

button = Pin(19, Pin.IN, Pin.PULL_DOWN)  
day_mode = True
while True:  
    if button.value() == 1:  
        day_mode = not day_mode 
        lcd.clear()  
        lcd.move_to(0, 0) 

        if day_mode:
            leds["red"].value(0)    
            leds["green"].value(0)  
            leds["blue"].value(1)  
            lcd.putstr("DAY MODE")
            
        else:
            leds["red"].value(1)  
            leds["green"].value(1) 
            leds["blue"].value(0)   
            lcd.putstr("NIGHT MODE")
            

        utime.sleep(0.5)