text: #include <iostream>
  using namespace std;
  
  int main(void) {
  	int variable = 21;
  	const int* const_p = &variable;
      // int* modifier = const_p;
  	int* modifier = const_cast<int *>(const_p);
  
  	*modifier = 7;
  	cout << "variable:" << variable << endl;
  
  	return 0;
  }
  