def add_instance(self,instance):
if self.get_instances() is None:
self._instances = [instance]
elif instance not in self.get_instances():
self._instances.append(instance)
else:
for i in range(0,len(self.get_instances())):
if self.get_instances()[i] == instance:
self._instances[i] = Instance.load_aws_data(instance.to_json())
break
