This code runs well in my laptop

Question

But not in code playground why
https://code.sololearn.com/cs2QsDIZ8v6j/?ref=app

Answer 1

Yea i corrected it... seems the keyword "Subclass" is a reserved word in sololearn

Answer 2

What's the problem,
It runs quite well.....

Answer 3

Yeah, that's a point...