Guess the Output · #83 · 2026-06-26
What does this print?
Python ·Difficulty 1/3
How to play
Read the code snippet and pick the correct output from four choices. One shot — no take-backs. Press 1–4 or click to answer.
fn main() {
let x: Option<i32> = Some(3);
let y = x.map(|v| v * 2);
println!("{:?}", y);
}
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