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  1. def flatten(ls):
  2. 	for item in ls:
  3. 		if isinstance(item, list):
  4. 			for subitem in flatten(item):
  5. 				yield subitem
  6. 		else:
  7. 			yield item
  8.  
  9. xs = [
  10. 	[
  11. 		[4,5,6], 
  12. 		[4,1,3]
  13. 	],
  14. 	[
  15. 		[0,0,1]
  16. 	],
  17. 	[
  18. 		[2,1], 
  19. 		[6,8], 
  20. 		[
  21. 			[9,1,3], 
  22. 			[7,0,2]
  23. 		]
  24. 	],
  25. 	4,
  26. 	6,
  27. 	[7,8,9],
  28. ]
  29.  
  30. print(xs)
  31.  
  32. ys = list(flatten(xs))
  33.  
  34. print(ys)
Success #stdin #stdout 0.05s 9452KB
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[[[4, 5, 6], [4, 1, 3]], [[0, 0, 1]], [[2, 1], [6, 8], [[9, 1, 3], [7, 0, 2]]], 4, 6, [7, 8, 9]]
[4, 5, 6, 4, 1, 3, 0, 0, 1, 2, 1, 6, 8, 9, 1, 3, 7, 0, 2, 4, 6, 7, 8, 9]
https://ideone.com/P8lFEC
language:
Python 3 (python  3.12)
created:
2 years ago
visibility:
secret

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