access part of string in c++

#include <iostream>
#include <string>

int main() {
    std::string myString = "Hello, World!";

    // Accessing individual characters using indexing
    char firstChar = myString[0];
    char fifthChar = myString[4];

    // Accessing a substring using substr() method
    std::string substring = myString.substr(7, 5);

    // Displaying the results
    std::cout << "First character: " << firstChar << std::endl;
    std::cout << "Fifth character: " << fifthChar << std::endl;
    std::cout << "Substring: " << substring << std::endl;

    return 0;
}