JS iterating over objects

• return values, keys, entries of Object

• Day of Week

// DEFINE YOUR FUNCTION BELOW:
function returnDay(num){
    let dic = {
        1: "Monday",
        2: "Tuesday",
        3: "Wednesday",
        4: "Thursday",
        5: "Friday",
        6: "Saturday",
        7: "Sunday"
    }
    if(num > 7 | num < 1){
        return null;
    }else{
        let array =  Object.values(dic);
        return array[num-1];
    }
    
}