Reapply "2024-12-06: part two: fixup: use in instead of key index access to prevent default-obj creation (affects len result later in the code)"

jayaddison · jayaddison · commit 4c25714d6292 · 2024-12-07T19:09:08.000Z
This reverts commit e0e0b92.
diff --git a/2024/06/06.py b/2024/06/06.py
@@ -11,7 +11,7 @@ def print_map():
         for idx in range(width + 1):
             if (idy, idx) in obstacles:
                 print('#', end='')
-            elif directions := guard_path[(idy, idx)]:
+            elif directions := guard_path.get((idy, idx)):
                 horizontal = LEFT in directions or RIGHT in directions
                 vertical = UP in directions or DOWN in directions
                 symbol = '+' if horizontal and vertical else '-' if horizontal else '|'
