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authorPrefetch2022-12-31 22:21:39 +0100
committerPrefetch2022-12-31 22:21:39 +0100
commit68615a9ad2c942254135cffb00cf25a84a3b1356 (patch)
tree1ed3131f673207b2ef0bdaee3ee98bb68d6640ca /16/main.py
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+#!/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()