Although the website said that it will take about 3 weeks, but you can complete it in several days (several hours/days) . In my case, I spent one week learning Swift. So, if you have time, there are several following resources you can explore: Swift basic playgrounds.
Read moreIs Swift worth learning 2021?
It remains one of the most in-demand languages of 2021 , as iOS applications are increasing in popularity around the world. Swift also is easy to learn and supports almost everything from Objective-C, so it’s an ideal language for Mobile developers.
Read moreHow difficult is it to learn Swift?
Swift is only as difficult as any programming language if you do not have any prior programming experience . If you can pick up the basic concepts of programming language, Swift should be reasonably easy to learn – it is vast and complex, but not impossible to learn.
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