How to print unique elements of an Array in O(n) time

In this video by Joey'sTECH, you will learn to solve an algorithmic problem from the world of Array Data Structure: print unique elements of an array that may or may not contain duplicates.
In this video, I will show you how to print distinct elements of an array in Python programming language in the most optimised way
The solution of this problem runs in O(n) time complexity.
O(n) is the time complexity for initialising the Python set with all the array elements and O(n) is again the time complexity for converting the set into a list.
This is the most optimised approach in comparison to the two approaches shown in the previous videos .
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