#include <list>
using namespace std;
int main() {
list<int> my_list = { 10, 20, 30, 40 };
auto it = my_list.begin();
it++;
it++;
my_list.insert(it, 25); // { 10, 20, 25, 30, 40 }
for (auto& n: my_list)
cout << n << " ";
cout << endl;
return 0;
}
<aside> ➡️ 10 20 25 30 40
</aside>