点击上方“Deephub Imba”,关注公众号,好文章不错过 !本问将覆盖 API 的每个核心部分：定义模型、约束字段、写验证器、组合嵌套结构、控制序列化。所有示例基于 Pydantic v2 和 Python 3.10+，每个清单完整可运行。用 ...

Today:A mixture of sunny spells and showers for most, although some areas will remain dry. Showers most frequent in the north and west, and these becoming slow moving across central and eastern ...