chore: remove __pycache__ files

Resubmission: strict grader, tests, randomization, improved rewards

update

Fix: grade() returns strictly (0.001,0.999), never 0.0 or 1.0

Add mandatory inference.py to HF Space root

Upload folder using huggingface_hub

Upload folder using huggingface_hub

Upload folder using huggingface_hub

Upload folder using huggingface_hub

Upload folder using huggingface_hub

initial commit