example4_string_conversion.cpp

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#include <iostream>
#include <string>

int main() {
    // String to number
    std::string numStr = "123";
    int num = std::stoi(numStr);
    
    // Number to string
    double pi = 3.14159;
    std::string piStr = std::to_string(pi);
    
    std::cout << "Converted number: " << num << std::endl;
    std::cout << "Converted string: " << piStr << std::endl;
    
    return 0;
}