本内容遵循CC 4.0 BY-SA版权协议 本文介绍了一个在Codewars上针对Python初学者的编程挑战：数字根。该挑战要求通过递归的方式计算一个数的数字根，即不断将数字的所有位相加直至结果为一位数。

The two oldest ages function/method needs to be completed. It should take an array of numbers as its argument and return the two highest numbers within the array. The returned value should be an array ...