Add code for 2015 advent that I did historically.

day_2/part_2.ts

@@ -0,0 +1,29 @@
+// @ts-ignore
+import { readFileSync } from "fs";
+
+
+let data: string = readFileSync("input", "utf-8");
+
+
+let ribbon_sum: number = 0;
+
+for (var line of data.split(`\n`)) {
+	let dimensions: string[] = line.split("x", 3);
+
+	let l = parseInt(dimensions[0]);
+	let w = parseInt(dimensions[1]);
+	let h = parseInt(dimensions[2]);
+
+	let min_perimeter: number = Math.min(
+		l+l+w+w,
+		l+l+h+h,
+		w+w+h+h
+	);
+
+	let volume: number = l * w * h;
+
+	ribbon_sum = ribbon_sum + min_perimeter + volume;
+};
+
+
+console.log(`Ribbon Length Needed: ${ribbon_sum}`);