Lesson 9 No Object is an Island Chapter 1: Introduction Chapter 2: Object interaction Chapter 3: Refactor your robot! [3.1] Refactor robot initialisation [3.2] Create a RobotFactory class [3.3] Summary Chapter 4: More iterable objects Chapter 5: List comprehension Chapter 6: JSON files Chapter 7: More classes for your robot! Chapter 8: Python packages Chapter 9: Exception handling Chapter 10: Summary Chapter 3 Refactor your robot! Rough estimated time needed30 mins