Conversation so far:
what language did the sinhalese people use?
The Sinhalese speak Sinhala, also known as "Helabasa".
is it a widely known language?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Folk tales like Mahadana Muttha saha Golayo and Kawate Andare continue to entertain children today.
what were the folk tales about?
Mahadana Muttha tells the tale of a fool cum Pundit who travels around the country with his followers (Golayo) creating mischief through his ignorance.
are any of these folks books to this day?
continue to entertain children today.
who created these folks?
CANNOTANSWER.
what's the most interesting part of the article, to you?
The Sinhala language was mainly inspired by Sanskrit and Pali.

Question: what was the language like?
Self-contained rewrite: what was the language of the Sinhalese people like?