[Li-Zhuo-Ran]

Summary

• Reviewed the Chinese lecture against the English source, including iterators, argument unpacking, type hints, decorators/descriptors, generators, and the exercise/solution.
• Confirmed 82 code cells and all MyST exercise/solution directives are present; code changes are limited to Chinese annotations and the established Chinese-font setup.
• Rephrased the opening recommendation to better reflect the English wording and read naturally in Chinese.

Validation

• git diff --check

Refs #88