Character Counting Exercise

count_letters.rb

require 'pry'

def count_letters (string="")
    counts = Hash.new(0)

    string.split("").each do |element|
      # binding.pry
      counts[element] += 1 if element != " "
    end

counts

end

puts count_letters('AAA BB C DDDD aaa bb c dddd f')

map_index.rb

# require 'pry'

def count_letters (string="")

    return "Invalid input" unless string.is_a? String
    counts = Hash.new
    
    string.split("").each_with_index do |element, index|
       # binding.pry
      counts[element.to_sym] ? (counts[element.to_sym] << index.to_s << " " unless element == " ") : (counts[element.to_sym] = index.to_s + " " unless element == " ")

    end
counts
end
puts count_letters
puts count_letters('AAA BB C DDDD aaa bb c dddd f A BAtaksjdakjs ')