#题目出错
#输出应该是
#print('A pastrami order was deleted from list.')
#print('There is really no pastrami in sandwich_orders!')
pizza_inventory=['bacon','durian','bacon','bacon','chicken','durian']
while True:
    if 'bacon' in pizza_inventory:
        pizza_inventory.remove('bacon')
        print('A pastrami order was deleted from list.')
    else:
        print('There is really no pastrami in sandwich_orders!')
        break