new_contents: 
  from scrapy.item import Item, Field
  
  class SapItem(Item):
      uid = Field() # user id, unique and identifier for each post
      type = Field()  # question, answer
      author = Field()
      title = Field()
      text = Field()
      date_time = Field()
      tags = Field()
      views = Field()
      answers = Field() # #answers
      resolve = Field()
      upvotes = Field()  # likes
      url = Field()
  
      def __str__(self):
          return "Item(" + str(self['type']) + ") #" + str(self['uid'])
  
subject: Create items.py