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fn greet_world() {
    let southern_germany = "Grüß Gott!";
    let chinese = "世界，你好";
    let english = "World, hello";
    let japanese = "世界よ、こんにちは";
    let regions = [southern_germany, chinese, english, japanese];
    for region in regions.iter() {
        println!("{}", &region);
    }
}

fn main() {
    greet_world();
}