text: #include<iostream>
  using namespace std;
  
  
  void printVector(double x0, double x1, double y0, double y1)
  {
  	cout << "("<< x0<< ","<< y0<<") -> ("<< x1<< ","<<y1 <<") " <<endl;
  }
  
  int main()
  {
  
  	double xStart = 1.2;
  	double xEnd = 2.0;
  	double yStart = 0.4;
  	double yEnd = 1.6;
  	
  	printVector(xStart,xEnd,yStart,yEnd);
  
  	return 0;
  }
  