No Numerals

Question

Anyone knows what's wrong with my code? It doesn't work in only one case and I really can't find what's wrong with it
https://code.sololearn.com/ciuuYeRrTnkB/?ref=app

Answer 1

Just a small bug. The program just have to replace 10 first before 1 and 0.

Because when I type: "string 10 and 10"
>> string onezero and onezero

https://code.sololearn.com/c0mPuLQn4pK8/?ref=app