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  1. puts b
Runtime error #stdin #stdout #stderr 0.01s 7452KB
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Standard input is empty
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Standard output is empty
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prog.rb:1:in `<main>': undefined local variable or method `b' for main:Object (NameError)
https://ideone.com/D1D92q
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
public

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