diff --git a/exercise.js b/exercise.js
index da0af63..c8159fc 100644
--- a/exercise.js
+++ b/exercise.js
@@ -1,2 +1,58 @@
-// Good Luck! You got this 💪🏾
-// Write your code here.
+const desribeCountry = (country,population,capitalCity) => {
+  return (`${country} has ${population} million people and its captial city is ${capitalCity}`);
+}
+
+let somaliland = desribeCountry("somaliland",3.2, "hargeisa");
+let japan = desribeCountry("japan",13.9, "Tokyo");
+let mexio = desribeCountry("mexio",9.2, "mexioCity");
+
+console.log(somaliland, "\n", japan, "\n", mexio);
+
+// functions
+
+const percentageOfWorld = (population) =>{
+   let popuPercantage = population / 7900 * 100;
+   return `_china has 1441 million people, so it's about ${popuPercantage}% of the world population_`;
+  
+}
+
+let china = percentageOfWorld(1441);
+let france = percentageOfWorld(2139907);
+
+console.log(china, "\n", france);
+
+// arrays
+
+let aPopulation = ["somaliland","Turky", "canada", 'Germany'];
+
+let neighbours = ["Djbouti","somalia", "Ethopia", "Yemen"];
+
+console.log(neighbours);
+
+// iteration for loops
+
+for(let i = 0; i < neighbours.length; i++){
+  console.log(neighbours[i]);
+}
+
+
+for (let i = neighbours.length -1; i >= 0; i--){
+  console.log(neighbours[i]);
+}
+
+
+// while loop
+
+
+let i =0;
+while(i < neighbours.length){
+  console.log(neighbours[i])
+  i++
+} 
+
+
+let r = neighbours.length -1;
+while(i >= 0){
+  console.log(neighbours[i])
+  i--;
+}
\ No newline at end of file