The gap fills itself

The whole prompt
"Write a Python function that returns Bernoulli numbers."
Five decisions left open
The continuation fills each one
Each blank becomes a choice, unstated, and the output arrives looking complete.
Silence in a prompt does not produce a gap in the output. It produces a confident default.
The gap fills itself One sentence, five open decisions "Write a Python function that returns Bernoulli numbers." the whole prompt arrives looking complete You settled none of them. Silence in a prompt does not produce a gap in the output. It produces a confident default.