Codecademy export

main.js

// Write your function here:
const finalGrade = (num1, num2, num3)=>{
if (num1 < 0 || num2 < 0 || num3 < 0 || num1 > 100 || num2 > 100 || num3 > 100 ){
  return 'You have entered an invalid grade.'
};
  const average = ((num1 + num2 + num3))/3;
       if (average>=0 & average<=59){
      return 'F'
    } else if (average >=60 & average<=69){
      return "D"
    } else if (average >=70 & average <=79){
      return "C"
    } else if (average >=80 & average <=89){
      return "B"
    }else if(average >=90 & average <=100){
      return "A"
    } else {return "Invalid Code, check the programm"}
};




// Uncomment the line below when you're ready to try out your function
console.log(finalGrade(99, 92, 95)) // Should print 'A'

// We encourage you to add more function calls of your own to test your code!