list within a list

Main list — Sublist

Birthdays — Jareem Zeeshan Mustafa

All list Viewcontroller ChecklistVC se inherit hoga

listdetailVC ItemDetailVC se inherit hoga model: Checklist

root view controller → pehla navigation controller

Struct ke andar inheritance nhi hoti

Class mein inheritance hoti hai

4 ways to create cell

1. Xib
2. Custom code (only code)
3. Dynamic (code plus storymode)
4. Static cell

Backward data passing ke lye delegate design pattern, second notification observer