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  1. a = [[0, 0, 0, 0, 0, 0, 0, 0, 0],
  2.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  3.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  4.     [0, 0, 1, 1, 1, 0, 0, 0, 0],
  5.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  6.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  7.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  8.     [0, 0, 0, 0, 0, 0, 0, 0, 0],
  9.     [0, 0, 0, 0, 0, 0, 0, 0, 0]]
  10. b = a[:]
  11. b[3][1] = 1
  12. print(a)
Success #stdin #stdout 0.14s 10256KB
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[[0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 1, 1, 1, 1, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0]]
https://ideone.com/QIjOsD
language:
Python 3 (python  3.12)
created:
13 years ago
visibility:
public

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