local lom = require 'lxp.lom'
local xpath = require 'xpath'
local response = http.request {
    -- 12798885 is the "WOEID" for Bellevue, WA
    url = 'https://query.yahooapis.com/v1/public/yql',
    params = {
        q = 'select * from weather.forecast where woeid=12798885'
    }
}
 
local condition = xpath.selectNodes(lom.parse(response.content),
    '//yweather:condition')[1]
 
return string.format(
    'Bellevue, WA has the condition "%s" and is %d degrees Farenheit.',
    condition.attr.