#SC_01_output.py
# Step 1
from machine import Pin
import time

# Step 2
led_red = Pin(4, Pin.OUT)
led_yellow = Pin(16, Pin.OUT)
led_green = Pin(5, Pin.OUT)

# Step 3
'''
led_red.value(1)
time.sleep(0.5)
led_red.value(0)
time.sleep(0.5)

led_yellow.value(1)
time.sleep(0.5)
led_yellow.value(0)
time.sleep(0.5)

led_green.value(1)
time.sleep(0.5)
led_green.value(0)
time.sleep(0.5)
'''

for i in range(1, 20, 1):
    led_red.value(1)
    led_yellow.value(0)
    led_green.value(0)
    time.sleep(10)

    led_red.value(0)
    led_yellow.value(0)
    led_green.value(1)
    time.sleep(5)

    led_red.value(0)
    led_yellow.value(1)
    led_green.value(0)
    time.sleep(3)

'''
for i in range(1, 20, 1):
    led_red.value(1)
    time.sleep(0.3)
    led_red.value(0)
    time.sleep(0.3)

    led_yellow.value(1)
    time.sleep(0.3)
    led_yellow.value(0)
    time.sleep(0.3)

    led_green.value(1)
    time.sleep(0.3)
    led_green.value(0)
    time.sleep(0.3)

while True:
    led.on()
    time.sleep(0.3)
    led.off()
    time.sleep(0.3)


while True:
    value = led_01.value()          # Read the current LED state
    led_01.value( not value )       # Toggle the output.
    print(f"LED: {led_01.value()}") # Print the current LED state 
    sleep(0.5)
'''