Line_Algebra.py

class Line:
    def __init__(self, x1, y1, x2, y2):
        self.x1 = x1
        self.y1 = y1
        self.x2 = x2
        self.y2 = y2


    def find_x(self, y):
        return ((self.x2*(y-self.y1)) - (self.x1*y)+(self.x1*self.y2))/(self.y2-self.y1)

    def find_y(self, x):
        return ((self.y2*(x-self.y1)) - (self.y1*x)+(self.y1*self.x2))/(self.x2-self.x1)