class C(object):
	def __init__(self):
		self.x = "default value"
		self.y = "default y value"

		def getter(): return self.x
		def setter(value): self.x = value
		self.get_x = getter
		self.set_x = setter
		def getter(): return self.y
		def setter(value): self.y = value
		self.get_y = getter
		self.set_y = setter

i = C()
j = C()
print str(i.get_x())
i.set_x("new value")
i.set_y("new y value")
print str(i.get_x())
print str(j.get_x())
print str(j.get_y())
print str(i.get_y())
print str(j.get_x())