Given an integer vector $x,$ define a function named Duplicate whose output is a vector $y$ that have all the duplicated elements.

The sequence of element in $y$ should be in ascending order

For example

$x=[4,3,2,3,7,8,2,3,1]$

$y=$Duplicate$(x)$

$y=[2,3]$

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Code to call your function $(3)$

$\backslash$table$[[,x=$randi$(20,1,20)$