class HauntedBus:
	"""A bus model haunted by ghost passengers"""
	
	def __init__(self, passengers=[]):
		self.passengers = passengers

	def pick(self, name):
		self.passengers.append(name)

	def drop(self, name):
		self.passengers.remove(name)

bus1 = HauntedBus(['Alice', 'Bill'])
print(bus1.passengers)
print('here')
