iostream c++

#include <iostream>

int main() {
    // Declare a variable of type int named 'num' and initialize it with the value 5
    int num = 5;

    // Output the value of the variable 'num' to the standard output (console)
    std::cout << "The value of num is: " << num << std::endl;

    // Prompt the user to enter a new value for 'num'
    std::cout << "Enter a new value for num: ";

    // Declare a variable of type int named 'newNum' to store the user input
    int newNum;

    // Read the user input and store it in the variable 'newNum'
    std::cin >> newNum;

    // Output the updated value of 'newNum' to the standard output
    std::cout << "Updated value of newNum is: " << newNum << std::endl;

    // Return 0 to indicate successful program execution
    return 0;
}