Add code for 2015 advent that I did historically.

day_9/info.md

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+https://adventofcode.com/2015/day/9
+
+
+Part 2 Incorrect Answers:
+ - `361`
+ - `764`

day_9/part_1.py

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+def find_shortest_distance(directions, location, visited_locations = []):
+	min_location = ["", None]
+
+	# Iterate through places we can travel to
+	for direction in directions[location]:
+
+		if direction in visited_locations:
+			continue
+
+		# find the shortest destination
+		if min_location[1]:
+			if directions[location][direction] < min_location[1]:
+				min_location = [
+					direction,
+					directions[location][direction]
+				]
+		else:
+			min_location = [
+				direction,
+				directions[location][direction]
+			]
+	return min_location
+
+
+
+def find_shortest_route(directions, start):
+	current_location = start
+	distance_travelled = 0
+	visited_locations = []
+
+	while len(visited_locations) < len(directions):
+		shortest_route = find_shortest_distance(directions, current_location, visited_locations)
+
+		if not shortest_route[1]: break
+
+		visited_locations.append(current_location)
+		distance_travelled += shortest_route[1]
+		current_location = shortest_route[0]
+	return distance_travelled
+
+
+def create_map():
+	locale = {}
+	with open("input", "r") as file:
+		for line in file:
+			data = line.strip().split()
+
+			# Ensure city hasn't already been assigned
+			if data[0] not in locale:
+				locale[data[0]] = {}
+			locale[data[0]][data[2]] = int(data[-1])
+
+			# Ensure city hasn't already been assigned
+			if data[2] not in locale:
+				locale[data[2]] = {}
+			locale[data[2]][data[0]] = int(data[-1])
+	return locale
+
+
+locations = create_map()
+distances = []
+
+for location in locations:
+	distances.append(find_shortest_route(
+		locations,
+		location
+	))
+
+print(f"Shortest Route: {min(distances)}")

day_9/text.js

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+let potato = {
+	'.Faerun': {'Norrath': 129, 'Tristram': 58, 'AlphaCentauri': 13, 'Arbre': 24, 'Snowdin': 60, 'Tambi': 71, 'Straylight': 67},
+	'.Norrath': {'Faerun': 129, 'Tristram': 142, 'AlphaCentauri': 15, 'Arbre': 135, 'Snowdin': 75, 'Tambi': 82, 'Straylight': 54},
+	'.Tristram': {'Faerun': 58, 'Norrath': 142, 'AlphaCentauri': 118, 'Arbre': 122, 'Snowdin': 103, 'Tambi': 49, 'Straylight': 97},
+	'.AlphaCentauri': {'Faerun': 13, 'Norrath': 15, 'Tristram': 118, 'Arbre': 116, 'Snowdin': 12, 'Tambi': 18, 'Straylight': 91},
+	'.Arbre': {'Faerun': 24, 'Norrath': 135, 'Tristram': 122, 'AlphaCentauri': 116, 'Snowdin': 129, 'Tambi': 53, 'Straylight': 40},
+	'.Snowdin': {'Faerun': 60, 'Norrath': 75, 'Tristram': 103, 'AlphaCentauri': 12, 'Arbre': 129, 'Tambi': 15, 'Straylight': 99},
+	'.Tambi': {'Faerun': 71, 'Norrath': 82, 'Tristram': 49, 'AlphaCentauri': 18, 'Arbre': 53, 'Snowdin': 15, 'Straylight': 70},
+	'.Straylight': {'Faerun': 67, 'Norrath': 54, 'Tristram': 97, 'AlphaCentauri': 91, 'Arbre': 40, 'Snowdin': 99, 'Tambi': 70}};
+
+/*
+Faerun (0) -> Norrath (+129) -> Tristram (+142) -> Arbre (+122) -> Snowdin (+129) -> Straylight (+99) -> AlphaCentauri (+91) -> Tambi (+15)
+
+AlphaCentauri (0) -> Tristram (+118) -> Norrath (+142) -> Arbre (+135) -> Snowdin (+129) -> Straylight (+99) -> Tambi (+70) -> Faerun (+71)  ==== 764
+
+*/