diff --git a/yourPlayground.js b/yourPlayground.js
index e69de29..fd540bd 100644
--- a/yourPlayground.js
+++ b/yourPlayground.js
@@ -0,0 +1,24 @@
+// makanan = parseInt(prompt("harga makanan yang kamu beli?"));
+// diskon = parseFloat(prompt("Paket diskon yang kamu ambil? %") / 100);
+
+// bayar = makanan * diskon;
+// totalBayar = makanan + bayar;
+
+// alert("harga yang kamu bayar " + totalBayar);
+
+function calculateFoodTotal(food, tip) {
+  tipPercentage = tip / 100;
+  tipAmount = food * tipPercentage;
+  total = sum(food, tipAmount);
+  return total;
+}
+
+console.log(calculateFoodTotal(100, 20));
+
+const groceries = ["🍌", "🍎", "🍊", "🍐"];
+groceries.push("🍪");
+groceries.unshift("😎");
+
+console.log(groceries);
+const showSlice = groceries.slice(1, 4);
+console.log(showSlice);