struct Student {
    name: String,
    age: u8,
    gradeA: f64,
    gradeB: f64,
}

fn main() {
    let mut student1 = Student {
        name: String::from("Tiao Barbosa"),
        age: 59,
        gradeA: 5.9,
        gradeB: 6.5,
    };

        println!("Name: {} Age: {} GradeA: {} GradeB: {}",
                student1.name, student1.age,
                student1.gradeA, student1.gradeB);

        student1.name = String::from("Ronaldo do curintia");
        println!("Name: {} Age: {} GradeA: {} GradeB: {}",
                student1.name, student1.age,
                student1.gradeA, student1.gradeB);

}