gistfile1.txt

irb(main):004:0> directories = {}
=> {}
irb(main):005:0> directories['8547810845'] = {name: 'Harisankar P S', age: '27', address: 'Kochi, Kerala'}
=> {:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}
irb(main):006:0> directories['8547810845'] = {name: 'Harisankar P S', age: '27', address: 'Kochi, Kerala'}
=> {:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}
irb(main):007:0> directories['9447786299'] = {name: 'Manu S Ajith', age: '27', address: 'Kochi, Kerala'}
=> {:name=>"Manu S Ajith", :age=>"27", :address=>"Kochi, Kerala"}
irb(main):008:0>
irb(main):008:0> directories
=> {"8547810845"=>{:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}, "9447786299"=>{:name=>"Manu S Ajith", :age=>"27", :address=>"Kochi, Kerala"}}
irb(main):009:0> directories['9447786285'] = {name: 'Rahul Ramesh, age: 26, address: 'Kochi, Kerala' }
irb(main):010:1' ^C
irb(main):010:0> directories['9447786285'] = {name: 'Rahul Ramesh', age: 26, address: 'Kochi, Kerala' }
=> {:name=>"Rahul Ramesh", :age=>26, :address=>"Kochi, Kerala"}
irb(main):011:0> directories
=> {"8547810845"=>{:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}, "9447786299"=>{:name=>"Manu S Ajith", :age=>"27", :address=>"Kochi, Kerala"}, "9447786285"=>{:name=>"Rahul Ramesh", :age=>26, :address=>"Kochi, Kerala"}}
irb(main):012:0>
irb(main):012:0> directories
=> {"8547810845"=>{:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}, "9447786299"=>{:name=>"Manu S Ajith", :age=>"27", :address=>"Kochi, Kerala"}, "9447786285"=>{:name=>"Rahul Ramesh", :age=>26, :address=>"Kochi, Kerala"}}
irb(main):013:0>
irb(main):013:0> directories
=> {"8547810845"=>{:name=>"Harisankar P S", :age=>"27", :address=>"Kochi, Kerala"}, "9447786299"=>{:name=>"Manu S Ajith", :age=>"27", :address=>"Kochi, Kerala"}, "9447786285"=>{:name=>"Rahul Ramesh", :age=>26, :address=>"Kochi, Kerala"}}
irb(main):014:0>
irb(main):014:0> exit