//function is set to false at the beginning
var valid = false
//this is the function
valid = checkPassword(valid)
//if valid is set to true then the message "Password correct" will be alerted. If not then "Password incorrect" will be alerted
if (valid == true) {
  alert("Password correct")
} else {
  alert("Password incorrect")
}

function checkPassword(valid) {
  //The variables for the code
  var password = ' '
  var count = 1


//code will loop until both conditions have been met: both password needs to be correct and the password needs to be correct within 3 guesses
  while (count < 4 && password !== "123XY") {

//enter the password
    password = prompt("Enter your password please")
    //if password is incorrect then try again.
    if (password !== "123XY") {
      alert("Try again please")
    } else {
    //return function returns as true
      valid = true
      return valid

    }
    //each time the password is incorrect the counter will go up by one. Once it reaches 4 then it will stop
    count = count + 1
  }
}