#include <iostream>
int main(){
            //inside first scope
            const double x=2.5;
            std::cout << "1) x=" << x << std::endl;
            if (1==1){
                        //inside second scope
                        std::cout << "2) x=" << x << std::endl;
                        const double x=3.5;
                        std::cout << "3) x=" << x << std::endl;
            }
            return 0;
}