var colors = ["Purple","Blue","Grey","Black","Green"];

function loop(x) {
	for(i=0; i<x.length; i++) {
  	num = i + 1;
    suf = "";
    if (num == 1){
    	suf = "st";
    }
    else if (num == 2){
    	suf = "nd"
    }
    else if (num == 3){
    	suf = "rd"
    }
    else {
    	suf = "th"
    }
  	ans = "My " + num + suf +" color is " + x[i];
    console.log(ans);
  }
}

loop(colors);