Tạo Bàn Cờ

n=9
print('+',end='')
print((n-1)*'-',end='')
print('+')
for i in range(1,n):
    print('|',end='')
    for j in range(1,n):
        if i%2==j%2:
            print(' ',end='')
        else:
            print('#',end='')
    print('|')
print('+',end='')
print((n-1)*'-',end='')
print('+')