#include <iostream>
#include <vector>
#include <list>
 
template<typename Container>
void fill(Container &c) {
    for (int i = 1; i <= 3; i++) {
        c.push_back(i);
    }
}
 
template<typename Container>
void print(Container &c) {
    for(auto it = c.begin(); it != c.end(); it++) {
        std::cout << *it << "\n";
    }
}
 
int main() {
    std::vector<int> vec;
    fill(vec);
    print(vec);
 
    std::list<int> list;
    fill(list);
    print(list);
}

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