A new bug or an exception?

Question

During the practice sessions of Python, I have come across to seen some random HTML codes emerging out of nowhere. Please have a look on it.

Answer 1

I've reported these <block></block> sections that appear. I think the programmers will have to go through it in time and remove all instances.
Thanks for reporting!

Answer 2

take screenshot and report on info.sololearn

Answer 3

I have also taken screenshot of it.