print("Hello, Pi Pico!")
print("This is Experiment - 5 and Objective - 4")
print("Objective : 4 Implementation of Single player based Simple Reaction Timing Game.")

import machine
import utime
import urandom

led=machine.Pin(15,machine.Pin.OUT)
button=machine.Pin(14,machine.Pin.IN)
 
def button_press(pin):
    button.irq(handler=None)
    reaction_time=utime.ticks_diff(utime.ticks_ms(),timer_light_off)
    print("Your reaction time was" +str(reaction_time)+"milliseconds!")
    
led.value(1)
utime.sleep(urandom.uniform(5,10))
led.value(0)
timer_light_off=utime.ticks_ms()
button.irq(trigger=machine.Pin.IRQ_RISING ,handler=button_press)