arasi.py

num=0
print("ABCDEFGH")
for fila in range (1,9):
    print(num+1,end="")
    for columna in range (1,9):
        if columna%2 == fila%2:
            print("\u25a1",end="")
        else:
            print("\u25a0",end="")
    print(num+1,end="")
    print()
    num+=1
print("ABCDEFGH")