¿alguien me explica linea 30?

import sys, os, time, httplib

if sys.platform == 'linux' or sys.platform == 'linux2':
    clearing = 'clear'
else:
    clearing = 'cls'
os.system(clearing)


if len(sys.argv) != 2:
    print "\n|---------------------------------------------------------------|"
        print "| b4ltazar[@]gmail[dot]com                                      |"
        print "|   03/2009     Admin login finder     v2.0                     |"
    print "| Help: admin-find.py -h                                        |"
    print "| Visit www.darkc0de.com and www.ljuska.org                     |"
        print "|---------------------------------------------------------------|\n"
    sys.exit(1)

for arg in sys.argv:
    if arg == '-h':
        print "\n|-------------------------------------------------------------------------------|"
                print "| b4ltazar[@]gmail[dot]com                                                      |"
                print "|   03/2009      Admin login finder     v2.0                                    |"
                print "| Usage: admin-find.py www.site.com                                             |"
            print "| Example: admin-find.py site.com                                               |"
            print "| Visit www.darkc0de.com and www.ljuska.org                                     |"
                print "|-------------------------------------------------------------------------------|\n"
        sys.exit(1)

site = sys.argv[1].replace("http://","").rsplit("/",1)[0]
site = site.lower()

admin_path = ['admin.php','admin/','administrator/','moderator/','webadmin/','adminarea/','bb-admin/','adminLogin/','admin_area/','panel-administracion/','instadmin/','memberadmin/','administratorlogin/','adm/','admin/account.php','admin/index.php','admin/login.php','admin/admin.php','admin/account.php','joomla/administrator','login.php',
'admin_area/admin.php','admin_area/login.php','siteadmin/login.php','siteadmin/index.php','siteadmin/login.html','admin/account.html','admin/index.html','admin/login.html','admin/admin.html','admin_area/index.php','bb-admin/index.php','bb-admin/login.php','bb-admin/admin.php','admin/home.php','admin_area/login.html','admin_area/index.html','admin/controlpanel.php','admincp/index.asp','admincp/login.asp','admincp/index.html','admin/account.html','adminpanel.html','webadmin.html','webadmin/index.html','webadmin/admin.html','webadmin/login.html','admin/admin_login.html','admin_login.html','panel-administracion/login.html','admin/cp.php','cp.php','administrator/index.php','administrator/login.php','nsw/admin/login.php','webadmin/login.php','admin/admin_login.php','admin_login.php','administrator/account.php','administrator.php','admin_area/admin.html','pages/admin/admin-login.php','admin/admin-login.php','admin-login.php','bb-admin/index.html','bb-admin/login.html','bb-admin/admin.html','admin/home.html','modelsearch/login.php','moderator.php','moderator/login.php','moderator/admin.php','account.php','pages/admin/admin-login.html','admin/admin-login.html','admin-login.html','controlpanel.php','admincontrol.php',
'admin/adminLogin.html','adminLogin.html','admin/adminLogin.html','home.html','rcjakar/admin/login.php','adminarea/index.html','adminarea/admin.html','webadmin.php','webadmin/index.php','webadmin/admin.php','admin/controlpanel.html','admin.html','admin/cp.html','cp.html','adminpanel.php','moderator.html','administrator/index.html','administrator/login.html','user.html','administrator/account.html','administrator.html','login.html','modelsearch/login.html','moderator/login.html','adminarea/login.html','panel-administracion/index.html','panel-administracion/admin.html','modelsearch/index.html','modelsearch/admin.html','admincontrol/login.html','adm/index.html','adm.html','moderator/admin.html','user.php','account.html','controlpanel.html','admincontrol.html','panel-administracion/login.php','wp-login.php','adminLogin.php','admin/adminLogin.php','home.php','adminarea/index.php','adminarea/admin.php','adminarea/login.php','panel-administracion/index.php','panel-administracion/admin.php','modelsearch/index.php','modelsearch/admin.php','admincontrol/login.php','adm/admloginuser.php','admloginuser.php','admin2.php','admin2/login.php','admin2/index.php','adm/index.php','adm.php','affiliate.php','adm_auth.php','memberadmin.php','administratorlogin.php']
print "\n|---------------------------------------------------------------|"
print "| b4ltazar[@]gmail[dot]com                                      |"
print "|   03/2009      Admin login finder     v2.0                    |"
print "| Visit www.darkc0de.com and www.ljuska.org                     |"
print "|---------------------------------------------------------------|\n"
print "\n[-] %s" % time.strftime("%X")

print "[+] Target:",site
print "[+] Checking paths..."
print

try:
    for admin in admin_path:
        admin = admin.replace("\n","")
        admin = "/" + admin
        connection = httplib.HTTPConnection(site)
        connection.request("GET",admin)
        response = connection.getresponse()
        print "%s %s %s" % (admin, response.status, response.reason)
except(KeyboardInterrupt,SystemExit):
        raise
except:
        pass