using static System.Console;
using System.Collections.Generic;
public class Program {
public static void Main() {
var ints = new List<int> { 1, 2, 3 };
var lists = new List<List<int>> { new List<int> { 1, 2, 3 }, new List<int> { 4, 5, 6 } };
foreach (var item in ints) {
// item = 9;
}
foreach (var item in lists) {
item[0] = 9;
}
foreach (var item in lists) {
// item = new List<int> { 7, 8, 9 };
}
foreach (var lista in lists) {
foreach (var item in lista) {
WriteLine(item);
}
}
}
}
//https://pt.stackoverflow.com/q/231849/101
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