text: #include <iostream>
  
  using namespace std;
  
  double square(double x){
      return x*x;
  }
  
  void print_square(double x){
      cout << "The square of " << x << " is " << square(x) << "\n";
  }
  
  int main()
  {
      print_square(1.234);
      return 0;
  }
  