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  1. li = [[]] * 2
  2. print(li)
  3.  
  4. li[0].append(1)
  5. print(li)
  6.  
  7. print(id(li[0]))
  8. print(id(li[1]))
  9.  
  10. li2 = [[] for _ in range(2)]
  11. print(li2)
  12.  
  13. li2[0].append(1)
  14. print(li2)
  15.  
  16. print(id(li2[0]))
  17. print(id(li2[1]))
  18.  
Success #stdin #stdout 0.02s 9168KB
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Standard input is empty
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[[], []]
[[1], [1]]
46978347688264
46978347688264
[[], []]
[[1], []]
46978348196168
46978349126856
https://ideone.com/M2TpNg
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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