#include <fmt/core.h>
#include <vector>
using namespace fmt;
using std::vector;
int main() {
vector<int> ages = {10,34,25,19,87,5};
println("I have {} cousins of different ages:", ages.size());
size_t i = 0; // initializer
while(i < ages.size()) { // test
int cousin_age = ages.at(i);
println("cousin #{} is {} years old.", i, cousin_age);
++i; // incrementer
}
}