# Make Imports
import machine
import time

# Wait to USB is ready for debugging
time.sleep(0.1)

#Go!
print("Hello World!")


led1 = machine.Pin(15, machine.Pin.OUT)
led2 = machine.Pin(2, machine.Pin.OUT)
led3 = machine.Pin(4, machine.Pin.OUT)
led4 = machine.Pin(16, machine.Pin.OUT)
led5 = machine.Pin(17, machine.Pin.OUT)
led6 = machine.Pin(5, machine.Pin.OUT)
led7 = machine.Pin(18, machine.Pin.OUT)

leds = [led1, led2, led3, led4, led5, led6, led7]
index = 0
N = len(leds)
while True:
    current_led = leds[index]
    current_led.on()
    time.sleep(0.2)
    current_led.off()
    #time.sleep(0.2)
    index = index + 1
    if N == index:
        index = 0