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  1. hs={}
  2. hs[0]=[[]]*10
  3. p hs
Success #stdin #stdout 0.01s 8100KB
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{0=>[[], [], [], [], [], [], [], [], [], []]}
https://ideone.com/fNuPGE
language:
Ruby (ruby 2.5.5)
created:
1 day ago
visibility:
public

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