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How do you remove duplicates from an array in place in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{

class Program
    {

static void Main(string[] args)
        {

int[] arr = new int[10] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

for (int i = 0; i < arr.Length - 1; i++) // loop through the array

{

for (int j = i + 1; j < arr.Length - 1; j++) // loop through the array again

{

if (arr[i] == arr[j]) // check if the value of the first array is equal to the second array

{

for (int k = j + 1; k < arr.Length - 1; k++) // loop through the array again

{

arr[k - 1] = arr[k]; // shift all values to the left by one index

}

Array.Resize(ref arr, arr.Length - 1); // resize the array by one index less than its original size

}

}
        }
    }

}

This code written in C# is a code that checks if there are any duplicate values in an array and if there are, it removes them.