<commit_before>## Recommended learning resources

* [Kotlin Tutorials](https://kotlinlang.org/docs/tutorials/)
* [Kotlin Documentation](https://kotlinlang.org/docs/reference/)
* [Kotlin Tutorial Videos](https://kotlinlang.org/docs/videos.html)
* [Stack Overflow](https://stackoverflow.com/questions/tagged/kotlin)
<commit_msg>Added link to Kotlin idioms<commit_after>## Recommended learning resources

* [Kotlin Tutorials](https://kotlinlang.org/docs/tutorials/)
* [Kotlin Documentation](https://kotlinlang.org/docs/reference/)
  * [Kotlin Idioms](https://kotlinlang.org/docs/reference/idioms.html)
* [Kotlin Tutorial Videos](https://kotlinlang.org/docs/videos.html)
* [Stack Overflow](https://stackoverflow.com/questions/tagged/kotlin)

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