His comment is written in this link: https://codegym.cc/quests/lectures/questcore.level09.lecture11 and there he wrote the followings: >>Attention "Replacing numbers"! . . . the example given is WRONG - I mean the number and dot immediately after is not counted as number, only when there is a space before and after the number.<< (Ivan Duka Level 22 , Winnipeg, Canada 23 April 2019, 02:20) 1) Is he right or not? 2) And my second question: what do you think what's wrong with my code?