求解這個程式碼我該怎麼改

程式碼有了但是就是一直報錯
實在不知道要怎麼改
求各位幫忙解答
謝謝
題目要求

輸入範例
25
23456
54321
88888888

輸出範例
22
1365
1875
24301

 
import sys
import functools
@functools.lru_cache()
def get_ladder_number_count_for_length(length):
    ans = 0
    for j in range(9):
        ans += matrix[length][j] 
    return ans
    
def make_triangle(length):
    matrix = [[0]*9 for _ in range(length)]
    for i in range(9):
        matrix[0][i] = 1
    for i in range(length):
        matrix[i][0] = 1
    for i in range(1,9):
        for j in range(1,length):
            matrix[j][i] = matrix[j-1][i] + matrix[j][i-1]
        return matrix
def read_input():
    numbers = []
    max_length = 0
    while True:
        num = sys.stdin.readline().strip()
        if not num:
            break
        numbers.append(num)
        if len(num) > max_length:
            max_length = len(num)
    return numbers, max_length
def answer(numbers, matrix):
    for number in numbers:
        ans = 0
        length = len(number)
        length_minus_one = length-1
        for i in range(length_minus_one):
            ans += get_ladder_number_count_for_length(i)
        for sequence, digit in enumerate(number):
            forming_ladder_on_left = True
            if sequence != 0:        
                if int(number[sequence-1]) > int(number[sequence]):
                    forming_ladder_on_left = False
            if forming_ladder_on_left is True:
                left_ind = sequence-1
                if left_ind < 0:
                    left_num = 1
                else:
                    left_num = int(number[left_ind])
                for i in range(left_num, int(digit)):
                    ans += matrix[length-1-sequence][-i]
            else:
                break
        if forming_ladder_on_left:
            ans+=1
        print(str(ans))
numbers, max_length = read_input()
matrix = make_triangle(max_length)
answer(numbers, matrix)

def read_input():
    numbers = []
    max_length = 0
    while True:
        num = input()
        if not num:
            break
        numbers.append(num)
        if len(num) > max_length:
            max_length = len(num)
    return numbers, max_length

numbers, max_length = read_input()


import functools
@functools.lru_cache()
def get_ladder_number_count_for_length(length):
    ans = 0
    for j in range(9):
        ans += matrix[length][j] 
    return ans
    
def make_triangle(length):
    matrix = [[0]*9 for _ in range(length)]
    for i in range(9):
        matrix[0][i] = 1
    for i in range(length):
        matrix[i][0] = 1
    for i in range(1,9):
        for j in range(1,length):
            matrix[j][i] = matrix[j-1][i] + matrix[j][i-1]
    return matrix
matrix = make_triangle(max_length)


def answer(numbers, matrix):
    for number in numbers:
        ans = 0
        length = len(number)
        length_minus_one = length-1
        for i in range(length_minus_one):
            ans += get_ladder_number_count_for_length(i)
        for sequence, digit in enumerate(number):
            forming_ladder_on_left = True
            if sequence != 0:        
                if int(number[sequence-1]) > int(number[sequence]):
                    forming_ladder_on_left = False
            if forming_ladder_on_left is True:
                left_ind = sequence-1
                if left_ind < 0:
                    left_num = 1
                else:
                    left_num = int(number[left_ind])
                for i in range(left_num, int(digit)):
                    ans += matrix[length-1-sequence][-i]
            else:
                break
        if forming_ladder_on_left:
            ans+=1
        print(str(ans))

answer(numbers, matrix)

用pycharm跑，这程序运行没啥问题，也没报错，但是和你输入范例的结果不一样
你的出错是因为你没有输入任何东西啊，报错原因是因为你的matrix为空