text: const request = require('postman-request');
  
  const weather = (latitude, longitude, callback) => {
      const url = 'http://api.weatherstack.com/current?access_key=999a95fb5b862b7826bd2e71d9bd0dda&query=' + latitude + ',' + longitude +'&units=m';
      request({url, json: true}, (error, {body} = {}) => {
          if(error) {
              callback('error! Please try after sometime.', undefined);
          } else if(body.error) {
              callback(body.error.info, undefined);
          } else {
              callback(undefined, {
                  description : body.current.weather_descriptions[0],
                  temperature : body.current.temperature,
                  feelslike : body.current.feelslike
              });
          }
      });
  }
  
  module.exports = weather;