Write and run your first Swift programs Practice 2 | Zoonk

Write and run your first Swift programs Practice 2 | Zoonk

2Lesson 2 of 20

Practice

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A small bike-share booth table with a MacBook, a paper sign reading `Late fee calculator`, a notebook with scribbled fee math, and a label printer with one crooked sticker half-fed. Nina’s coffee cup sits too close to the keyboard.

Booth rush

I’m at the bike-share booth with Nina, trying to get a tiny Swift late-fee calculator running before the lunch rush. Three Macs, one cranky label printer, and five minutes of patience.