Coding Practice: Return Odd Elements from an Array in Ruby

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In this exercise you’ll learn how to select the odd elements from an array of integers and return the collection of odd items.

Summary

Build a program that filters an array of integers, and returns the odd elements.

Exercise File

Code File

Exercise Description

The program should take in an array of integers and output a filtered array that only contains the odd integers.

Sample Input

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

Sample Output

[1, 3, 5, 7, 9]

Real World Usage

Being able to filter a list of elements is a common requirement in Ruby programs. Additionally, this solution allows you to utilize a number of built in filtering mechanisms provided by the Ruby enumerable library.

Solution

Can be found on the solutions branch on github.

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