#include <iostream>
#include <list>
void printList(std::list<int> const &l) {
for (auto const &n: l) {
std::cout << n << " ";
}
}
int main() {
std::list<int> l = { 5, 2, 7, 1, 9, 3, 6, 4 };
l.erase(l.begin());
printList(l);
}
/*
run:
2 7 1 9 3 6 4
*/