2022: d01: ex2: add solution

2022/d01/ex2/ex2.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def solve(input: list[list[int]]) -> int:
+    totals = sorted(map(lambda l: sum(l, start=0), input), reverse=True)
+    return sum(totals[:3])
+
+
+def main() -> None:
+    input = [
+        [int(line) for line in group.splitlines()]
+        for group in sys.stdin.read().split("\n\n")
+        if group
+    ]
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()