l3 task

//create a function named yearsTillRetiring,

//create a constant named age to which you assign the participant's age, use the function participantAge() from the previous task

//create a constant named retirement to which you will assign a number symbolizing the age remaining until retirement

//add a conditional statement to display e.g. Alex retires in 40 years where Alex and 40 are variables
//for a person who is already retired should display, for example, Alex is already retired

//call the function yearsTillRetiring() passing the necessary parameters to it