23. i don't know what to do


help me guys, i don't know what to do, i've tried so much but i can't go to next lesson, that sucks.

23. Printing Out Substring Practice

I would try reloading/refreshing the web page to get rid of the :TypeError.


its (0,2) not (0,3). try the first one


thanks, i really should to reload the web page then i did corrections in my code and it gets done