import os, sys, time
path = os.path.split(os.path.realpath(__file__))[0]; os.chdir(path); sys.path.insert(0, path)
import util
while True:
try:
print "Visit https://cocalc.com" + util.base_url() + '/\n'
except Exception, mesg:
print mesg
print "waiting..."
time.sleep(15)