(update) 2022 day 3 part 1

2022/03/main.py

@@ -0,0 +1,43 @@
+print("a", ord("a"), "A", ord("A"))
+
+
+def getitems(items: list[str]) -> int:
+    # Source - https://stackoverflow.com/a
+    # Posted by georg, modified by community. See post 'Timeline' for change history
+    # Retrieved 2025-12-24, License - CC BY-SA 4.0
+
+    seen = set()
+    dupes = [x for x in items if x in seen or seen.add(x)]
+
+    print(dupes)
+    return sum(list(map(lambda x: ord(x), dupes)))
+
+
+def tr(char: str) -> str:
+
+    return char.upper() if char.islower() else char.lower()
+
+
+def gitems(items: list[str]) -> int:
+    # print(items, len(items))
+    n = int(len(items) / 2)
+    l, r = [(items[i : i + n]) for i in range(0, len(items), n)]
+    # seen = set()
+    # dupes = [x for x in items if x in seen or seen.add(x)]
+    dupes = set(l) & set(r)
+    rv = sum(
+        list(map(lambda x: ord(tr(x)) - 64 if x.islower() else ord(tr(x)) - 70, dupes))
+    )
+    print(items, dupes, rv)
+    return rv
+
+
+with open("input", "+r") as file:
+    t = 0
+    for line in file.readlines():
+        that = gitems(line.strip())
+
+        t += that
+        # print(line.strip(), that)
+
+    print(t)