Why is there Myenum twise?

help
1 
enum Myenum{Name, Country,}


fn main(){
    let Data:Myenum = Myenum::Country;
    
}

why is Myenum in Data with : ????

2

The Myenum before the = is a type annotation. It can be used to say what the type of Data should be. It is optional, so you can remove it:

fn main(){
    let Data = Myenum::Country;
}
3

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