from machine import Pin
import utime 
import urandom

led = Pin(15, Pin.OUT) 
left_button = Pin(14, machine.Pin.IN) 
right_button = Pin(16, machine.Pin.IN) 
fastest_button = None 

def button_handler(pin): 
    left_button.irq(handler=None) 
    right_button.irq(handler=None) 
    timer_reaction = utime.ticks_diff(utime.ticks_ms(), timer_start) 
    print("Your reaction time was " + str(timer_reaction) + " milliseconds!") 
    global fastest_button 
    fastest_button = pin 

led.value(1) 
utime.sleep(urandom.uniform(5, 10))
led.value(0) 

timer_start = utime.ticks_ms() 

left_button.irq(trigger= Pin.IRQ_RISING, handler=button_handler) 
right_button.irq(trigger= Pin.IRQ_RISING, handler=button_handler) 

while fastest_button is None: 
    utime.sleep(1) 

if fastest_button is left_button: 
    print("Left Player wins!") 
elif fastest_button is right_button: 
    print("Right Player wins!")