code: def QA_fetch_user(user_cookie, db=DATABASE):
      
      collection = DATABASE.account
  
      return [res for res in collection.find({'user_cookie': user_cookie}, {"_id": 0})]
docs: get the user
  
      Arguments:
          user_cookie : str the unique cookie_id for a user
      Keyword Arguments:
          db: database for query
  
      Returns:
          list ---  [ACCOUNT]