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print(mode,round(r['train']['accuracy'],4),round(r['validation']['accuracy'],4),round(r['heldout']['accuracy'],4),r['selected_epoch'])\nLAB09_RESULT={'provenance':provenance,'protocol':{'train_n':TRAIN_LIMIT,'dx':DX,'epochs':EPOCHS,'batch_size':BATCH_SIZE,'learning_rate':LEARNING_RATE,'seed':SEED},\n              'selected_by_validation':selected_mode,'scopes':scope_table,'records':records}\nprint('LAB09_RESULT_JSON='+json.dumps(LAB09_RESULT,ensure_ascii=False))\n\n(OUT/'transfer-results.json').write_text(json.dumps(LAB09_RESULT,ensure_ascii=False,indent=2))\n# 当前单元无法确认宿主平台或是否使用全新进程；unknown 不等于 False。\nverification={'local_run':'unknown','cloud_run':'unknown','source_model_unchanged':hashlib.sha256(MODEL_PATH.read_bytes()).hexdigest()==model_sha256,'source_checkpoint_sha256':model_sha256,'sample_split_independent':True,'selected_by_validation':selected_mode,'scope':'complete student/teacher re-execution of 4 small transfer arms','torch':torch.__version__}\n(OUT/'verification.json').write_text(json.dumps(verification,indent=2))\n\n```","sha256":"424723804f6604ec98b4ffe0dcb621e40148726f4cc2a69abebec6ef22d82860","chapter":{"id":"course","title":"4. 固定选择后，再看保留集 · 实现代码"},"unit":{"id":"notebook-blocks/baa01d90e8534271a23cc4abac67a240","title":"4. 固定选择后，再看保留集 · 实现代码"},"page":{"id":"reading-opening","title":"4. 固定选择后，再看保留集 · 实现代码","number":1},"sectionTitle":"4. 固定选择后，再看保留集 · 实现代码","currentQuestion":"4. 固定选择后，再看保留集 · 实现代码","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-c93c14eec31d80402f534cd5","nextBlock":null,"prerequisites":[{"id":"b-d3020ca474c7ee71eaf8d910","url":"#b-d3020ca474c7ee71eaf8d910","role":"section-title"},{"id":"b-6d556f22b2aba25d9cdb6b0e","url":"#b-6d556f22b2aba25d9cdb6b0e","role":"problem-context"}],"relatedBlocks":[]}]}