iflen(sys.argv)!=3:print("Incorrect number of arguments supplied. Usage:")print("python3 app.py URL_FILE KEYWORD_FILE")sys.exit(0)# Get filenamesurl_filename=sys.argv[1]keyword_filename=sys.argv[2]# Open the url file and get the list of URLsurl_file=open(url_filename,'r')urls=url_file.read().split('\n')# Replace spacesforurlinurls:url=url.replace(" ","")# Open the keyword file and get the list of keywordskeyword_file=open(keyword_filename,'r')keywords=keyword_file.read().split('\n')# Scan the contacts in the URLcontact_scanner=Scanner(urls,keywords)contact_scanner.get_contacts()