Lesson 4: Knowledge Check

课程内容

欢迎学习 Lesson 4: Knowledge Check 课程。本课程包含以下章节：

课程章节

• Lesson 4: Knowledge Check (75)
• Course Roadmap (76)
• Model (78)
• Join Me 5-1: Models in the Base (79)
• Extend a Model (80)
• Extend a Model with a New Decorator (82)