Python 字符串型List转List

我在运行一段程序结束后，将一组数据存到了txt文件，然后需要读取这个文件，获得List。

[34080, 302, 152, 70, 41, 29, 22, 13, 4, 1, 0, 5, 1, 2, 1, 1, 0, 0, 1, 0]

如果直接转List，得到的是字符的List，['[', '3', '4', '0', '8', '0', ',', ' ', '3', '0', '2'.......

with open('F:\\answer_start.txt', 'r') as f:
    answer_start = f.read()
    answer_start = list(answer_start)
    print(answer_start[:50])

用eval()函数：

with open('F:\\answer_start.txt', 'r') as f:
    answer_start = f.read()
    answer_start = eval(answer_start)
    print(answer_start[:50])

得到List