print('\nCalculate the midpoint of a line :')  
  
x1 = float(input('The value of x (the first endpoint) '))  
y1 = float(input('The value of y (the first endpoint) '))  
  
x2 = float(input('The value of x (the first endpoint) '))  
y2 = float(input('The value of y (the first endpoint) '))  
  
x_m_point = (x1 + x2)/2  
y_m_point = (y1 + y2)/2  
print();  
print("The midpoint of line is :")  
print( "The midpoint's x value is: ",x_m_point)  
print( "The midpoint's y value is: ",y_m_point)  
print();  