def triangles(n):
    result = [1, 1]
    for i in range(1, n + 1):
        if i == 1:
            yield [1]
        elif i == 2:
            yield [1, 1]
        else:
            next_result = [result[0]]
            for j in range(1, len(result)):
                next_result.append(result[j-1] + result[j])
            next_result.append(result[-1])
            result = next_result
            yield result

def print_triangels(n):
    for i in triangles(n):
        print(i)

print_triangels(10)