String replace range

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examples/strings/replace-range/src/main.rs

fn main() {
    let mut text = String::from("The black cat climbed the green tree");
    println!("{text}");

    text.replace_range(10..13, "dog");
    println!("{text}");

    text.replace_range(10..13, "elephant");
    println!("{text}");
}

The black cat climbed the green tree
The black dog climbed the green tree
The black elephant climbed the green tree