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  1. require 'json'
  2.  
  3. x = {first_name: "Napoleon", age: 51}
  4. puts JSON.pretty_generate(x)
Success #stdin #stdout 0.02s 6556KB
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{
  "first_name": "Napoleon",
  "age": 51
}
https://ideone.com/HwrA04
language:
Ruby (ruby 2.5.5)
created:
228 days ago
visibility:
secret

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