From 041fbb83be49e576578ab328d24b852207b9af0c Mon Sep 17 00:00:00 2001
From: Ben Maurer <ben.a.maurer@gmail.com>
Date: Sat, 3 Dec 2022 10:30:55 -0600
Subject: [PATCH] Give it up for day 3 of (minimal :D) smooth brain
 shenanigans! https://pbs.twimg.com/media/E1bxikWWEAEGYHU.png

---
 day_3.py | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 day_3.py

diff --git a/day_3.py b/day_3.py
new file mode 100644
index 0000000..79f3480
--- /dev/null
+++ b/day_3.py
@@ -0,0 +1,37 @@
+import aocd
+from dotenv import load_dotenv
+
+load_dotenv()
+puzzle_input = aocd.get_data(day=3, year=2022)
+
+rucksacks = puzzle_input.split('\n')
+total_priority = 0
+badges_priority = 0
+
+for r, rucksack in enumerate(rucksacks):
+
+    # Part 1 =================================================
+    half_1 = set(rucksack[:len(rucksack)//2])
+    half_2 = set(rucksack[len(rucksack)//2:])
+    (in_both,) = half_1.intersection(half_2)
+    if in_both.islower():
+        total_priority = total_priority + ord(in_both) - 96
+    else:
+        total_priority = total_priority + ord(in_both) - 38
+
+    # Part 2 =================================================
+    if (r+1)%3 == 0:
+        rucksack_0prev = set(rucksack)
+        rucksack_1prev = set(rucksacks[r-1])
+        rucksack_2prev = set(rucksacks[r-2])
+        (in_badge,) = rucksack_0prev & rucksack_1prev & rucksack_2prev
+        print(in_badge)
+        if in_badge.islower():
+            badges_priority = badges_priority + ord(in_badge) - 96
+        else:
+            badges_priority = badges_priority + ord(in_badge) - 38
+
+print(f'These elves are carrying a total of {total_priority:,} (prioritized?) things. That\'s a lotta stuff.')
+print(f'They\'re also v important with a total badge priority of {badges_priority:,}.')
+
+