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  1. defmodule ArithmeticMean do
  2.     def calculate(numbers) do
  3.         numbers
  4.         |> Enum.reduce(fn(elem, sum) -> sum + (elem * 1.0) end)
  5.         |> calculate(Enum.count(numbers))
  6.     end
  7.  
  8.     def calculate(number, size) do
  9.         number / size
  10.     end
  11. end
  12.  
  13. numbers = [1, 1.0, 2, 5, 1, 58]
  14. IO.puts ArithmeticMean.calculate(numbers)
Success #stdin #stdout 0.81s 104448KB
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Standard input is empty
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11.333333333333334
https://ideone.com/3DSN2M
language:
Elixir (elixir 1.8.2)
created:
9 years ago
visibility:
public

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