In this article, we'll cover some common uses of for loops and comprehensions in Python, how to analyze an existing loop, and how to transform them into their equivalent expressions in Elixir, using the functions in the Enum module and comprehensions.

We'll focus on:

  • Transforming a collection of data through a function (map)
  • Filtering values into or out of a collection (filter)
  • Producing a single aggregate value or structure, such as an average (reduce or fold)

We'll finish off with a basic example that combines all three!

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