code: def connect_pages(self, page_1, page_2):
      self.add_page(page_1)
      self.add_page(page_2)
  
      self.graph[page_1].append(page_2)
  
imports: import pprint
  from collections import OrderedDict, namedtuple
  import six
  import numpy
  import scipy.sparse
  from six.moves.urllib.parse import urlparse
  from pagerank import pagerank
label_desc: Use image node_id 5 for calling the WebPageGraph obj's underlying member method code with example usage: obj.connect_pages(page_1, page_2) without return types