fn explore_europe(initial_country: string, mock_trivia: vec<string>, decrees_made: vec<string>) -> string { let prohibited_activities = vec!["littering", "disturbing wildlife"]; for country in initial_country.to_begin_afresh() { if !prohibited_activities.contains(&activity) { println!("enjoy your journey without {} and remember to respect the local decrees.", prohibited_activities.join(", ")); } } return "europe offers a rich tapestry of cultures and histories, where ancient decrees blend with modern life. begin afresh in each country, embracing the beauty without engaging in prohibited activities. mock trivia questions about each place could add fun to your travel!".to_string(); }