Day 2.

2022/day2.py

@@ -0,0 +1,23 @@
+# -*- encoding: utf-8 -*-
+
+from pathlib import Path
+
+with open(Path(__file__).parent.joinpath("inputs", "day2.txt")) as fp:
+    values = [
+        (ord(row[0]) - ord("A"), ord(row[2]) - ord("X")) for row in fp.readlines()
+    ]
+
+
+def score_1(ux: int, vx: int) -> int:
+    return 1 + vx + ((1 - ((ux - vx) % 3)) % 3) * 3
+
+
+def score_2(ux: int, vx: int) -> int:
+    return (ux + vx - 1) % 3 + 1 + vx * 3
+
+
+# part 1 - 13526
+print(f"score 1 is {sum(score_1(*v) for v in values)}")
+
+# part 2 - 14204
+print(f"score 2 is {sum(score_2(*v) for v in values)}")

setup.cfg

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+[flake8]
+# Use black line length:
+max-line-length = 88
+extend-ignore =
+    # See https://github.com/PyCQA/pycodestyle/issues/373
+    E203, E231