class_docstr: An entry has one or more user-agents and zero or more rulelines
code: def __init__(self):
      self.useragents = []
      self.rulelines = []
      self.delay = None
      self.req_rate = None
  
imports: import collections
  import urllib.parse
  import urllib.request
label_desc: Use image node_id 1 to create a new Entry object  with example: obj = Entry()