print 2d vector c++

#include <iostream>
#include <vector>

int main() {
    // Step 1: Declare a 2D vector
    std::vector<std::vector<int>> twoDVector;

    // Step 2: Initialize the 2D vector with values
    twoDVector = {{1, 2, 3},
                  {4, 5, 6},
                  {7, 8, 9}};

    // Step 3: Access and print elements of the 2D vector using nested loops
    for (int i = 0; i < twoDVector.size(); ++i) {
        for (int j = 0; j < twoDVector[i].size(); ++j) {
            std::cout << twoDVector[i][j] << " ";
        }
        std::cout << std::endl;
    }

    return 0;
}