Answer:
No, I've never read a Confederacy of Dunces by Jhon Kennedy Toole.
Step-by-step explanation:
The comma goes after the word 'no'.
This is comma rule number 2:
Use commas after introductory, clauses, phrases, or words that come before the main clause. Because the first word acts as an introductory word, that means the sentence can be independent and still make sense without it.