Python 3 Тест "заголовки книг"

Question

Помогите пожалуйста не понимаю как можно вывести кол-во чисел в заголовке

Answer 1

This lesson is perfect if you want to solve that code coach ,after going through it try it yourself and if you get stuck anywhere you can always use Q&A
https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2446/?ref=app