cpp substring
#include <iostream>
#include <string>
int main() {
std::string str = "Hello, World!";
std::string substring;
// Extract substring from position 7 to the end
substring = str.substr(7);
// Display the original string and the extracted substring
std::cout << "Original String: " << str << std::endl;
std::cout << "Substring from position 7 to end: " << substring << std::endl;
return 0;
}