''' (or """)
import machine
import utime

led = machine.Pin(5, machine.Pin.OUT)

while True:
  led.on()
  utime.sleep(1)
  led.off()
  utime.sleep(1)
'''

from machine import Pin
from utime import sleep

led  = Pin(5, Pin.OUT)

while True:
  led.on()
  sleep(1)
  led.off()
  sleep(1)