agila-learning-examples/tl/cpp-practice-20261101/lesson-2/main.cpp

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

int main() {
    std::vector<std::string> plan{"Read", "Test"};
    auto copy = plan;
    copy.push_back("Explain");
    std::cout << plan.size() << " " << copy.size() << "\n";
}