About deleteOne.
Is that for mongosh, nodejs or python?
In python, it is delete_one(), but mongosh and nodejs should be deleteOne. Is it possible that none of the answer is good. In mongosh db.scores.deleteOne() should work but in nodejs, the correct answer could be db.collection( “scores” ).deleteOne().
In the question and the answer, is there a space between E. and M.? In the sample documents there is one but it is not clear for the question and answer. If there is none, the NO documents match the query.