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Learn Ruby from Scratch

Exercise 1: Extract Even Elements from an Array

Explore how to use Ruby blocks to extract even integers from an array. This lesson helps you understand Ruby's block syntax, iterators, and how to apply them for practical problem-solving with arrays.

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Problem statement

Extract the even integers from the given array.

Example

input_array contains [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
Output is [2, 4, 6, 8, 10]

Try it yourself

Ruby
def even_elements(input_array)
  result = []
  # Start your code here
  
  return result
end