new_contents: #Kunal Gautam
  #Codewars : @Kunalpod
  #Problem name: The Supermarket Queue
  #Problem level: 6 kyu
  
  def queue_time(customers, n):
      if not customers:    return 0
      li=customers[:n]
      for customer in customers[n:]:
          li[li.index(min(li))]+=customer
      return max(li)
  
subject: Create the_supermarket_queue.py