Parse json files in Ruby

dealing_with_arrays.rb

http://www.ruby-doc.org/core-2.1.1/Enumerable.html#method-i-zip

add value to an array
users['Neel'][:favorite_numbers].push(64) or
users['Neel'][:favs] << 64

add user to array
users['Jane'] = {:github => "janeplural", :nums => [58,48,44]} 

.zip

.flatten

.uniq

loop through a json
num_array = []
users.each do |k,v|
   v[:favorite_numbers].each do |num|
    num_array << num
  end
end
uniq_array = num_array.uniq