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  1. def not a
  2. "Hello, World!"
  3. end
  4. puts not "ruby"
Runtime error #stdin #stdout #stderr 0.05s 9608KB
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Standard input is empty
stdout
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Standard output is empty
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prog.rb:4: syntax error, unexpected tSTRING_BEG, expecting '('
puts not "ruby"
          ^
https://ideone.com/uxad0G
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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