import java.util.Iterator;

import java.util.LinkedList;

import java.util.ListIterator;

import java.util.Scanner;

public class LinkedListTester10 {

    public static void main(String[] args) {

        LinkedList < String > list = new LinkedList < String > ();

        for (int i = 1; i <= 50; i++) {

            list.add(i + "");

        }

        System.out.println(list); //-----------Start below here. To do: approximate lines of code = 4 // 1-4. Use an iterator to remove all elements containing "3"

        Iterator  it = list.iterator();

        while(it.hasNext()) {

            String str = it.next();

            if(str.contains("3")) {

                it.remove();

            }

        }

   

        //-----------------End here. Please do not remove this comment. Reminder: no changes outside the todo regions.

        System.out.println(list) ;

        //System.out.println("Expected:[1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50]");

    }

}

My code is not working, please fix it and include screenshots. Thank you