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  1. # your code goes here
  2.  
  3. arr = [[1,2,3,4], [5,6,7,8]]
  4.  
  5. print(arr)
  6. print(arr[0])
  7. print(arr[0][2])
  8. print(' ')
  9.  
  10. for i in range(len(arr)):
  11. for j in range(len(arr[i])):
  12. print(arr[i][j])
Success #stdin #stdout 0.02s 9220KB
stdin
Standard input is empty
stdout
[[1, 2, 3, 4], [5, 6, 7, 8]]
[1, 2, 3, 4]
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