n = eval(input("請(qǐng)問(wèn)你想生成幾層的楊輝三角呢？"))
result= []

def fun(N):   # 楊輝三角生成函數(shù)
    if N == 1:
        result.append([1])
    elif N == 2:
        result.append([1])
        result.append([1,1])
    else:
        result.append([1])
        result.append([1,1])
        for i in range(3, N+1):
            temps = []             # 用來(lái)存放第i行的所有數(shù)
            temps.append(1)        # 每行第一個(gè)數(shù)是1
            for j in range(i-2):   # 生成第i行第2個(gè)數(shù) 到 倒數(shù)第2個(gè)數(shù)
                temp = result[i-2][j] + result[i-2][j+1]
                temps.append(temp)
            temps.append(1)        # 每行倒數(shù)第一個(gè)數(shù)是1
            result.append(temps)   # 將第i行的所有數(shù)添加到列表

    return result

triangles = fun(n)
for line in triangles:
    print(line)

triangles = fun(n)
for line in range(len(triangles)):
    for x in range(len(triangles[line])):
        triangles[line][x] = str(triangles[line][x])
    triangles[line] = '   '.join(triangles[line])
    print("第{:>2}行   {:^100}".format(line+1, triangles[line]))