Writing idiomatic code implies relying on the standard library to solve problems, and not reimplementing functionality that is already maintained by core developers.

This has two main benefits:

1. Others will find it easier to read and maintain your code because you use packages familiar to them
2. You save time by not having to implement functionality from scratch

Learning and internalizing the idioms of a language greatly improves your reading abilities. You are able to focus on understanding what the code does instead of wondering why the code is written in an awkward way.

Projects that use idiomatic code benefit f...