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  1. a[i][j]
Runtime error #stdin #stdout #stderr 0.02s 9984KB
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Standard input is empty
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Standard output is empty
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Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
NameError: name 'a' is not defined
https://ideone.com/ljIgtx
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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