gistfile1.py

# Meh
class Rectangle:
    def bottom_right(self):
        return Point(self.left + self.width,
                    self.top + self.height)

# Better to use temporary variables for readability
class Rectangle:
    ...
    def bottom_right(self):
        right = self.left + self.width
        bottom = self.top + self.height
        return Point(right, bottom)