initial commit

2022/Day3/Day3.py

@@ -0,0 +1,32 @@
+def itemToPriority(item: str) -> int:
+    if item >= 'a':
+        return ord(item) - (ord('a')-1)
+    elif item >= 'A':
+        return ord(item) - (ord('A')-27)
+
+
+if __name__ == '__main__':
+    with open("input.txt", "r") as f:
+        rucksacks = [line.replace("\n", "") for line in f.readlines()]
+
+    actualItems = []
+
+    for rucksack in rucksacks:
+        compartmentLength = len(rucksack) // 2
+        compartments = [rucksack[:compartmentLength], rucksack[compartmentLength:]]
+        for item in compartments[0]:
+            if item in compartments[1]:
+                actualItems.append(item)
+                break
+
+    print(f"Solution 1: {sum([itemToPriority(item) for item in actualItems])}")
+
+    groupIdentifiers = []
+    for i in range(0, len(rucksacks), 3):
+        currentSacks = rucksacks[i:i + 3]
+        for item in currentSacks[0]:
+            if item in currentSacks[1] and item in currentSacks[2]:
+                groupIdentifiers.append(item)
+                break
+
+    print(f"Solution 2: {sum([itemToPriority(item) for item in groupIdentifiers])}")