下面的程序的运行结果是什么，实际运行一下，看看与你的设想有何

下面的程序的运行结果是什么，实际运行一下，看看与你的设想有何不同。

#include <iostream.h>
void myFunction(); int x = 5， y = 7; int main() { cout << "x from main: " << x << "\n"; cout << "y from main: " << y << "\n\n"; myFunction(); cout << "Back from myFunction!\n\n"; cout << "x from main: " << x << "\n"; cout << "y from main: " << y << "\n"; return 0; } void myFunction() { int y = 10; cout << "x from myFunction: " << x << "\n"; cout << "y from myFunction: " << y << "\n\n"; }