from time import sleep
from machine import Pin
led = Pin(1,Pin.OUT)
led2 = Pin(2,Pin.OUT)
knop1 = Pin(3,Pin.IN)
knop2 = Pin(4,Pin.IN)
a = 0
while True:
    if knop1.value() == 1:
        a=1
        c=0
        
    def abc():
        if knop2.value()==1:
            b = 0
            a = 0
        
        
        elif knop2.value()==0 and c == 0:
            b = 1
        
        elif c == 1: 
             b = 0
        
        return b
    while a == 1:
        led.value(abc())
        led2.value(0)
        sleep(0.3)
        led.value(0)
        led2.value(abc())
        sleep(0.3)
        led2.value(0)
        if knop2.value() == 1:
            a = 0