from machine import Pin
import time
for x in range(10): # declaration bel for
    Pin(x , Pin.OUT)
for x in range (10): # bch n5admou lanbeyb bel for
    Pin(x).on()
    time.sleep(0.5)
    Pin(x).off()
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BOOTSELLED1239USBRaspberryPiPico©2020RP2-8020/21P64M15.00TTT