your_drink

let your_drink = "coffee";

const reverse = (s) => {
  return s.split("").reverse().join("");
} 

const barista = {
  str1: "ion",
  str2: reverse("rcne"),
  str3: "ypt",
  request: function(preference){
    return preference + "secret word:"
    +this.str2 + this.str3 + this.str1;
    }
  }

barista.request(your_drink);

//outputs: coffee secret word:encryption