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  1. def a(nums):
  2. left = len(nums)-1
  3. right = len(nums)-1
  4. while right >= 0:
  5. if nums[right] != 0:
  6. temp = nums[right]
  7. nums[right] = nums[left]
  8. nums[left] = temp
  9. left -= 1
  10. right -= 1
  11. return nums
  12. nums = [0,0,1,2,0,3]
  13. print(a(nums))
Success #stdin #stdout 0.08s 14160KB
stdin
Standard input is empty
stdout
[0, 0, 0, 1, 2, 3]