【python challenge】level2

__author__ = 'user'# -*- coding:utf-8 -*-import requestsimport urllib2import redef enchar():    url = 'http://www.pythonchallenge.com/pc/def/ocr.html'    request = urllib2.Request(url)    respnose = urllib2.urlopen(request)    pagecode = respnose.read().decode('utf-8')    print pagecode    pattern = re.compile('[a-zA-Z]+')    items = re.findall(pattern,pagecode)    print itemsenchar()