from __future__ import print_function

from rectangle import Rectangle

class Square(Rectangle):
	"""Represents a square in 2-D space."""

	def __init__(self, x, y, side):
		# Create a rectangle whose width and height are
		# the same as the length of side of the square
		Rectangle.__init__(self, x, y, side, side)

if __name__ == "__main__":
	print("create square")
	s = Square(10, 20, 12)
	# Note that we are using the inherited __repr__
	# and area methods.  We should probably override
	# the __repr__ method since squares only have one
	# dimension parameter (side instead of widthxheight).
	print("s:", s, "area:", s.area())

class Circle(Square):
	"""Represents a circle in 2-D space."""

	def area(self):
		from math import pi
		radius = self.width / 2.0
		return pi * radius * radius

if __name__ == "__main__":
	print("create circle")
	c = Circle(10, 20, 12)
	# Note that we are using the inherited __repr__
	# and area methods.  We should probably override
	# the __repr__ method since squares only have one
	# dimension parameter (side instead of widthxheight).
	print("c:", c, "area:", c.area())