30DaySkill:30天编程语言学习网是一个通过邮箱每天发送邮件来学习编程语言的网站，主要学习的语言包括swift、html/css、javascript语言，该网站通过大量的案例和经验来发布教学内容，让你快速的掌握编程语言技术。

你是否一直想学如何编程移动应用程序?该网站每天都会通过电子邮件通知你在30天内你如何来学习苹果编程语言的方法，Swift是一种新的编程语言，它允许你使用该语言来开发iOS应用程序，该网站发布的教程都是易于阅读和理解的，你每天只需要20分钟的时候学习即可，在30天结束后，你将对Swift语言非常了解并能够开始构建真正的应用程序，开始编程之旅。

Course Outline:

Day 1: History of mobile programming

Day 2: How to think like a developer

Day 3: Getting everything setup

Day 4: Variables and Constants

Day 5: Daily Task

Day 6: Types

Day 7: Daily Task

Day 8: Operators

Day 9: Daily Task

Day 10: Collections

Day 11: Daily Task

Day 12: Control Flow

Day 13: Daily Task

Day 14: Optionals

Day 15: Daily Task

Day 16: Enums

Day 17: Daily Task

Day 18: Enums and their methods

Day 19: Daily Task

Day 20: Structs

Day 21:Daily Task

Day 22: Structs and their methods

Day 23: Daily Task

Day 24: Class and Objects

Day 25: Daily Task

Day 26: Inheritance

Day 27: Daily Task

Day 28: Value vs. Reference type

Day 29: Final Exam

Day 30: Last Lecture