from machine import Pin

pins = [
    Pin(18, Pin.out),
    Pin(19, Pin.out),
    Pin(13, Pin.out),
    Pin(14, Pin.out),
    Pin(15, Pin.out),
    Pin(17, Pin.out),
    Pin(16, Pin.out),
    Pin(12, Pin.out),
]

for i in pins:
    i.value(1)