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Feb 8th, 2018
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  1. ************************************* Exemple 1 *********************************
  2.  
  3. emails = ["sebdoe75@gmail.com", "jean25pierre2@gmail.com", "aldair.gitgit@gmail.com","jeanmichelcodeur@gmail.com"]
  4. # puts emails
  5.  
  6. villes = Hash.new
  7. villes = {
  8. "Paris" => {
  9. dept: 75,
  10. hab: 2_000_000,
  11. email: "sebdoe75@gmail.com"
  12. },
  13. "Angers" => {
  14. dept: 49,
  15. hab: 150_000,
  16. email:"jean25pierre2@gmail.com"
  17. }
  18. }
  19.  
  20. # puts villes["Paris"][:dept]
  21. # villes.keys.each {|v| puts "#{v}"}
  22. # p villes["Paris"][:emails]
  23.  
  24. villes.keys.each do |ville|
  25. p villes[ville][:email]
  26. end
  27.  
  28.  
  29. *************************************** Exemple 2 *****************************************
  30.  
  31.  
  32. personnes_stockees_dans_un_hash = {
  33. "Bob": {
  34. age: 27,
  35. ville_de_naissance: "Montreuil"
  36. },
  37. "Alice": {
  38. age: 28,
  39. ville_de_naissance: "Paris"
  40. }
  41. }
  42.  
  43. personnes_stockees_dans_un_hash.each_key do |personne|
  44. puts "#{personne}: #{personnes_stockees_dans_un_hash[personne][:ville_de_naissance]}"
  45. end
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