fresh5447

Best Method for this argument?

p add(1,2)
p add(4,5)
p add(7,7)
------------------------------------

Why doesn't this work

```def add (a,b)

fresh5447

class String 
        def title_case
          array_of_words = self.downcase.split
          list_of_articles = ["the", "of", "and", "a"]
          array_of_words.each do |word|
              unless list_of_articles.include? word
                     word.capitalize!
              end
          end  
          array_of_words.first.capitalize!

fresh5447

def hash_to_array(h = {})
  a = []
  h.each do |word, index|
    a << "#{word} is #{index}"    #build on the array
  end
  # h.each {|word, index| a << "#{word} is #{index}" }
  a   #return the array
end
# {name: "Bob"}

fresh5447

class User
  attr_accessor :name, :email, :bio, :age, :sex

  def initialize(config = {})
    @name = config[:name] || "n/a"
    @email = config[:email] || "n/a"
    @bio = config[:bio] || "n/a"
    @age = config[:age] || "n/a"
    @sex = config[:sex] || "n/a"
  end

fresh5447

def add_item(item, list)
  list << item unless list.include?(item)
  list
end

def remove_item(item, list)
    list.delete(item)
    list
end

fresh5447

def reverse_plus_one(a)
  a << a.first
  a.reverse
end

p reverse_plus_one([1,2,3,4])


def pluses_everywhere(a)
  a.join("+")

fresh5447

class String 
  
      def camel_case
          # "this is A TEST"
         array_of_words = self.split
         # ["this","is","A","TEST"]
         array_of_words.each do |foo|
           # "this"
           foo.capitalize!
           # "This"

fresh5447

def merge_us(h1 = {}, h2 = {})
  h1.merge(h2)
end

h1 = { name: "Computer", cost: "$1,000" }
h2 = { first_name: "Bob", age: 34 }
    
merge_us(h1, h2)

def my_keys(h = {})

fresh5447

class Array
   def new_map
   a = []
      self.each do |item|
        a << yield(item) 
      end
      a
   end
   def new_map!(&block)
     self.replace(self.new_map(&block))

fresh5447

def add_two(array)
    array.map { |item|"#{item} + 2 = #{item + 2}"}
end




add_two([1,2])

#["1 + 2 = 3", "2 + 2 = 4"]