The solution to this problem doesn't make any sense!!!
If you are using the word "duplicate" to mean multiply by 2, then the correct answer is [2,4,6], not [1,4,6]
The title and description have been clarified. Also, the test suite has been corrected and expanded.
duplicate is not the same as double the element values
the description has some problem.
please check the test suit again bro
This is a mistake in the solution: the real solution is [2 4 6]
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