class Instance(object): 
	def __init__(self,
			id = "",
			image_id = "",
			dns_name = "",
			ip_address = "",
			mac_address = "",
			vpn = "",
			state = "",
			instance_type = "",
			launch_time = "",
			placement = "",
			username="ubuntu",
			password="secretpw"):
		self.id = id
		self.image_id = image_id
		self.dns_name = dns_name
		self.ip_address = ip_address
		self.vpn = vpn
		self.mac_address = mac_address
		self.state = state
		self.instance_type = instance_type
		self.launch_time = launch_time
		self.placement = placement
		self.username = username
		self.password = password

	def __str__(self):
		return str(self.id) + " " + str(self.image_id) + " " + str(self.dns_name) + " " + str(self.ip_address) + " " + str(self.mac_address) + " " + str(self.vpn) + " " + str(self.state) + " " + str(self.instance_type) + " " + str(self.launch_time) + " " + str(self.placement) + " " + str(self.username) + " " + str(self.password)