'''
 Source available at https://wokwi.com/projects/382187115825968129
'''

from machine import Pin
import utime

led= [None] * 10
for i in range(10):
    led[i] = Pin(i+6, Pin.OUT)

while True:
    for i in range(10):
        led[i].toggle()
        utime.sleep(0.2)