模块
This segment should take about 40 minutes. It contains:
| Slide | Duration |
|---|---|
| 模块 | 3 minutes |
| 文件系统层级结构 | 5 minutes |
| 可见性 | 5 minutes |
| use、super、self | 10 minutes |
| 练习：面向 GUI 库的模块 | 15 minutes |
This segment should take about 40 minutes. It contains:
| Slide | Duration |
|---|---|
| 模块 | 3 minutes |
| 文件系统层级结构 | 5 minutes |
| 可见性 | 5 minutes |
| use、super、self | 10 minutes |
| 练习：面向 GUI 库的模块 | 15 minutes |