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  1. puts "Hello, #{"wo" + "rld"}!"
  2.  
Success #stdin #stdout 0.01s 7416KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello, world!
https://ideone.com/jBWba0
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
public

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