🌐 [translation-sync] Add Type Hints section to More Language Features lecture

[mmcky]

Automated Translation Sync

This PR contains automated translations from QuantEcon/lecture-python-programming.

Source PR

#488 - Add Type Hints section to More Language Features lecture

Files Updated

• ✏️ lectures/python_advanced_features.md
• ✏️ .translate/state/python_advanced_features.md.yml

Details

• Source Language: en
• Target Language: zh-cn
• Model: claude-sonnet-4-6

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This PR was created automatically by the translation action.

[github-actions]

✅ Translation Quality Review

Verdict: PASS | Model: claude-sonnet-4-6 | Date: 2026-03-24

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📝 Translation Quality

Criterion	Score
Accuracy	9/10
Fluency	9/10
Terminology	9/10
Formatting	9/10
Overall	9/10

Summary: This is a high-quality translation of the modified and newly added sections. The 'Type hints' section is newly added and translated accurately and fluently. The existing modified sections (iterators, operators, decorators, generators) are also well-handled. Minor issues include an awkward split in a cross-reference directive in the Type hints preamble and a missed opportunity to include the 'LLM' abbreviation for international readers. Overall the translation is accurate, fluent, and technically correct with no syntax errors. The newly added 'Type hints' section (## 类型提示) and all its subsections are translated with high accuracy, capturing nuanced points such as the runtime-ignorance of type hints and the distinction from statically typed languages. Technical terminology is handled consistently throughout: '迭代器' for iterator, '可迭代对象' for iterable, '生成器' for generator, '装饰器' for decorator, '描述符' for descriptor, '类型提示' for type hints — all aligned with standard Simplified Chinese Python documentation conventions. The heading-map in the YAML frontmatter is comprehensive and correctly maps all new and modified sections, including the newly added Type hints subsections. Code comments within code cells are appropriately translated into Chinese (e.g., '# 设置图框和子图', '# 创建一个生成合成数据的函数'), making the examples more accessible to Chinese readers. Formatting is well-preserved throughout: MyST directives, code blocks, math expressions, cross-references, and table structures are all intact and syntactically correct.

Suggestions:

• Type hints section, 'Why use type hints?' subsection, item 4: '大语言模型生成的代码：大语言模型经常生成带有类型提示的代码' — 'LLM' (Large Language Models) is rendered as '大语言模型' which is accurate, but the source says 'LLM-generated code' as a heading label. Consider retaining 'LLM' as a parenthetical for readers familiar with the abbreviation: '大语言模型（LLM）生成的代码' for consistency with technical readership.

• Type hints section, preamble: '（请参阅我们{doc}之前关于 <need_for_speed>动态类型与静态类型的讨论。）' — The cross-reference text is awkwardly split; the source reads 'our {doc}earlier discussion <need_for_speed> of dynamic versus static types' which should render as '（请参阅我们关于动态类型与静态类型的{doc}早期讨论 <need_for_speed>。）' to keep the linked text fluent and avoid the mid-phrase break.

• Iterators in for loops section: The source uses 'interpreter' consistently; the translation uses '解释器' correctly, but the bullet list translates 'calls iterator.___next___() and binds x to the result' as '调用 iterator.___next___() 并将 x 绑定到结果' — this is accurate. No issue here, but confirm the triple-underscore ___next___ typo from the source is preserved faithfully in the translation (it is), so no fix needed.

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🔍 Diff Quality

Check	Status
Scope Correct	✅
Position Correct	✅
Structure Preserved	✅
Heading-map Correct	✅
Overall	10/10

Summary: The translation sync is correctly implemented: the new 'Type hints' section and all heading case changes are properly reflected in both the document body and the heading-map frontmatter.

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This review was generated automatically by action-translation review mode.

[mmcky]

@HumphreyYang I have done some more work today. Thanks for your other feedback -- super helpful.

If you get a chance to cast your eye over this that would be super helpful.

[mmcky]

.translate/state/python_advanced_features.md.yml

This is a new tracking element that I have introduced to make state easier to track.

[HumphreyYang]

Many thanks @mmcky,

This looks much better now! The only issue I spotted is that it adds an emtpy line between section tags and section titles.

[HumphreyYang]

It adds an empty line between section tag and section titles.

[mmcky]

Many thanks @mmcky,

This looks much better now! The only issue I spotted is that it adds an emtpy line between section tags and section titles.

Thanks @HumphreyYang -- yeah weird. Wonder why it did that! :-)

I think it's nice if it doesn't -- I can add a custom rule.