print("Hello,Pi Pico!")
print("This is Experiment - 1 and Objective - 5")
print("Objective : 5 To build our first external circuit and control it from the Raspberry Pi Pico i.e. ON for 3 seconds and OFF for 2 seconds.")

from machine import Pin
import utime

ledPin=Pin(4,Pin.OUT)
while True:
  ledPin.value(1)
  print("LED ON")
  utime.sleep(3)
  ledPin.value(0)
  print("LED OFF")
  utime.sleep(2)