Nested IF-ELSE

 let marks=71;

if(marks>=33){
    console.log("Pass");

     if(marks>=80){
        console.log("Grade:A+");
    }
    else if(marks>=60){
        console.log("Grade:A");
    }
    else{
        console.log("Grade:B");
    }
}
else{
    console.log("F");
}

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