linear_search.rb

def linear_search(target, arr)
  for i in 0...arr.length
    return i if target == arr[i]
  end
  return nil
end

def global_linear_search(target, arr)
  indices = []
  for i in 0...arr.length
    indices << i if target == arr[i]
  end
  indices
end


# Implement the #linear_search method
random_numbers = [6, 29, 18, 2, 72, 19, 18, 10, 37]
p linear_search(37, random_numbers)

# Implement the #global_linear_search method
bananas_arr = "bananas".split(//)
p global_linear_search('n', bananas_arr)