#include <iostream>
#include <vector>
#include <string>

int main() {
    std::vector<std::string> shopping_list;

    shopping_list.push_back("Apples");
    shopping_list.push_back("Milk");
    shopping_list.push_back("Bread");
    shopping_list.push_back("Cheese");

    std::cout << "The list currently contains " << shopping_list.size() << " items." << std::endl;
    std::cout << "The current memory capacity is at least " << shopping_list.capacity() << " slots." << std::endl;
    
    std::cout << "\nThe first item on the list is: " << shopping_list[0] << std::endl;
    std::cout << "The last item using .at() is: " << shopping_list.at(shopping_list.size() - 1) << std::endl;

    std::cout << "\nHere is the full shopping list:" << std::endl;
    for (const std::string& item : shopping_list) {
        std::cout << "- " << item << std::endl;
    }

    shopping_list.pop_back(); 

    std::cout << "\nAfter removing the last item, the new size is: "
              << shopping_list.size() << std::endl;

    return 0;
}