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Here your can find a function that add two numbers and return the result
<!-- 📖adding_numbers -->
// remove this line
fn add_numbers(a: i32, b: i32) -> i32 {
    a + b
}
<!-- adding_numbers📖 -->
some text
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And here is is example how to print content to the stdout
<!-- 📖greet_person -->
fn greet_person(name: &str) {
    println!("Hello, {}! Welcome to the Rust example.", name);
}
<!-- greet_person📖 -->