From 68615a9ad2c942254135cffb00cf25a84a3b1356 Mon Sep 17 00:00:00 2001
From: Prefetch
Date: Sat, 31 Dec 2022 22:21:39 +0100
Subject: Initial commit

---
 16/main.py | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 16/main.py

(limited to '16/main.py')

diff --git a/16/main.py b/16/main.py
new file mode 100755
index 0000000..ce630a2
--- /dev/null
+++ b/16/main.py
@@ -0,0 +1,66 @@
+#!/usr/bin/python
+
+
+
+# Machine's readings given in puzzle text
+readings = {
+    "children"    : 3,
+    "cats"        : 7,
+    "samoyeds"    : 2,
+    "pomeranians" : 3,
+    "akitas"      : 0,
+    "vizslas"     : 0,
+    "goldfish"    : 5,
+    "trees"       : 3,
+    "cars"        : 2,
+    "perfumes"    : 1
+}
+
+
+
+def solve_partn(partn, lines):
+    # Parse input file into a list of dictionaries
+    aunts = []
+    for line in lines:
+        words = line.split(" ")
+
+        data = {}
+        for i in range(3):
+            key = words[2 + 2 * i].rstrip(":")
+            val = words[3 + 2 * i].rstrip(",")
+            data[key] = int(val)
+
+        aunts.append(data)
+
+    # Find the aunt who gave us the present
+    for i, a in enumerate(aunts):
+        is_target = True
+        for k in a.keys():
+            if partn == 1:
+                is_target &= a[k] == readings[k]
+            else: # partn == 2
+                if k == "cats" or k == "trees":
+                    is_target &= a[k] > readings[k]
+                elif k == "pomeranians" or k == "goldfish":
+                    is_target &= a[k] < readings[k]
+                else:
+                    is_target &= a[k] == readings[k]
+        if is_target:
+            return i + 1
+
+    return -1 # Shouldn't happen
+
+
+
+def main():
+    # Read properties of all Aunts Sue from input text file
+    with open("input.txt", "r") as f:
+        lines = f.read().splitlines()
+
+    print("Part 1 solution:", solve_partn(1, lines)) # 213 for me
+    print("Part 2 solution:", solve_partn(2, lines)) # 323 for me
+
+
+
+if __name__ == "__main__":
+    main()
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