code: def parse_link_header(headers):
      link_s = headers.get("link", "")
      urls = element_pat.findall(link_s)
      rels = rel_pat.findall(link_s)
      d = {}
      for rel, url in zip(rels, urls):
          d[rel] = url
      return d
  
imports: import os
  import json
  import urllib
  import re
  import yaml
  from urllib.request import urlopen
  from datetime import datetime, timedelta
  import requests
label_desc: Use image node_id 7 for calling a global function with example usage: parse_link_header(headers) and returns: d