Advent of Code 2020 Day Language Stars 1 Swift 🌟🌟 2 Kotlin 🌟🌟 3 N/A 4 Swift 🌟🌟 5 Kotlin 🌟🌟 6 Kotlin 🌟🌟 7 Swift 🌟🌟 8 Kotlin 🌟🌟 9 Kotlin 🌟🌟 10 Scala 🌟