# 杨辉三角

def  triangle():
    li = [1]

    while True:
        yield li

        lis = []
        lis.extend([li[0]])
        for j in range(len(li)-1):
            lis.append((li[j]+li[j+1]))
        else:
            lis.extend([li[0]])
            li = lis


tri_list = triangle()

for i in range(10):
    print(next(tri_list))