text: from urllib import request, parse
  
  postDict = {}
  postDict['appReceiptNum'] = 'YSC1990000456'
  data = parse.urlencode(postDict).encode()
  
  url = 'https://egov.uscis.gov/casestatus/mycasestatus.do' 
    
  req =  request.Request(url, data=data)
  resp = request.urlopen(req).read().decode('utf-8')
  start = resp.find('<h1>')
  end = resp.find('</p>', start) +4
  body = (resp[start:end])
  title = body[body.find('<h1>')+4:body.find('</h1>')]
  
  print (title)
  