1-10 :
1. Start Here
2.Joining the Apple Developer Program
3.Installing Xcode 12 and the iOS 14 SDK
4.An Introduction to Xcode 12 Playgrounds
5.Swift Data Types, Constants and Variables
6.Swift Operators and Expressions
7.Swift Control Flow
8. The Swift Switch Statement
9.Swif Functions, Methods and Closures
10. The Basics of Switch Object-Oriented Programmings
