// scope.cpp; Illustration of 'scope' and 'visibility'. 
#include <iostream>
using namespace std;

int main() {
	double x = 3.4; {
		cout << x << "  ";
		int x = 7; {
			cout << x << "  ";
			char x = 'A';
			cout << x << "  ";
			  }
		cout << x << "  ";
			}
		cout << x << endl;
	return 0;
}