Day 05 (minified)

day05/part2.py

@@ -9,8 +9,8 @@ points = defaultdict(int)
 for line in lines:
     [x1, y1, x2, y2] = list(map(int, re.match(r"(\d+),(\d+) -> (\d+),(\d+)", line).groups()))
     for x, y in zip(
-            range(min(x1, x2), max(x1, x2) + 1) if x1 != x2 else repeat(x1),
-            range(min(y1, y2), max(y1, y2) + 1) if y1 != y2 else repeat(y1)
+            range(x1, x2+(x1 <= x2)*2-1, (x1 <= x2)*2-1) if x1 != x2 else repeat(x1),
+            range(y1, y2+(y1 <= y2)*2-1, (y1 <= y2)*2-1) if y1 != y2 else repeat(y1)
     ):
         key = '{},{}'.format(x, y)
         points[key] = points[key] + 1