christmas-tree

picture = [
    [0,0,0,1,0,0,0],
    [0,0,1,1,1,0,0],
    [0,1,1,1,1,1,0],
    [1,1,1,1,1,1,1],
    [0,0,0,1,0,0,0],
    [0,0,0,1,0,0,0]
    ]
for row in picture:
    for pixel in row:
        if pixel == 1:
            print('*', end=' ')
        else:
            print(' ', end=' ')
    print('')