from machine import Pin
from time import sleep

A= Pin(23,Pin.OUT)
B= Pin(22,Pin.OUT)
C= Pin(21,Pin.OUT)
D= Pin(19,Pin.OUT)
E= Pin(18,Pin.OUT)
F= Pin(17,Pin.OUT)
G= Pin(16,Pin.OUT)

while(1):

    A.value(1),B.value(1),C.value(1),D.value(1),E.value(1),F.value(1),G.value(0)
    sleep(0.5)
    A.value(0),B.value(1),C.value(1),D.value(0),E.value(0),F.value(0),G.value(0)
    sleep(0.5)
    A.value(1),B.value(1),C.value(0),D.value(1),E.value(1),F.value(0),G.value(1)
    sleep(0.5)