Driver code
if __name__ == ' _ _ main _ _ ' : NEW_LINE INDENT x1 = 0 NEW_LINE y1 = 4 NEW_LINE x2 = 0 NEW_LINE y2 = - 9 NEW_LINE x3 = 2 NEW_LINE y3 = 0 NEW_LINE x4 = - 1 NEW_LINE y4 = 0 NEW_LINE if ( checkOrtho ( x1 , y1 , x2 , y2 , x3 , y3 , x4 , y4 ) ) : NEW_LINE INDENT print ( " Yes " ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( " No " ) NEW_LINE DEDENT DEDENT