import httplib
import sys
from lxml import objectify

conn = httplib.HTTPConnection('api.worldweatheronline.com', 80)
url = '/premium/v1/past-weather.ashx?q=' + sys.argv[1] + '&format=xml&date=' + sys.argv[2] + '&key=egkqb3vdjd6ggax73khveuys'
conn.request('GET', url)
response = conn.getresponse()
responseData = response.read()
root = objectify.fromstring(responseData)
if not "Unable to find" in responseData:
        for item in root.weather.maxtempF:
                print item
else:
        for item in root.error.msg:
                print item