Solution to the constructors mini-challenge (OOD reading)

constructors.rb

class Television # A TV plays many channels and many shows of those channels.
  def initialize(channels=[])
    @channels = channels
  end
end

class Channels #A channel may have many shows and belong to many TVs.
  def initialize(shows=[])
    @shows = shows
  end
end

class Shows#Shows belong to (potentially) many channels and play on many TVs
end