fn prepare_earthquake_bulletin(arcane_knowledge: &str) -> string { let mut bulletin_board = string::new(); for mock in 1..=5 { let predismissal = if mock % 2 == 0 { "keep positive!" } else { "start afresh with every challenge!" }; bulletin_board.push_str(&format!("{} - embrace the arcane to understand earthquakes better. {}", predismissal, arcane_knowledge)); } bulletin_board }