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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get(self, version, method, url_or_urls, **kwargs):
 """ _get makes the actual call to api.embed.ly """

        if not url_or_urls:
            raise ValueError('%s requires a url or a list of urls given: %s' %
                             (method.title(), url_or_urls))

        # a flag we can use instead of calling isinstance() all the time
        multi = isinstance(url_or_urls, list)

        # throw an error early for too many URLs
        if multi and len(url_or_urls) > 20:
            raise ValueError('Embedly accepts only 20 urls at a time. Url '
                             'Count:%s' % len(url_or_urls))

        query = ''

        key = kwargs.get('key', self.key)

        # make sure that a key was set on the client or passed in
        if not key:
            raise ValueError('Requires a key. None given: %s' % key)

        kwargs['key'] = key

        query += urlencode(kwargs)

        if multi:
            query += '&urls=%s&' % ','.join([quote(url) for url in url_or_urls])
        else:
            query += '&url=%s' % quote(url_or_urls)

        url = 'http://api.embed.ly/%s/%s?%s' % (version, method, query)

        http = httplib2.Http(timeout=self.timeout)

        headers = {'User-Agent': self.user_agent,
                   'Connection': 'close'}

        resp, content = http.request(url, headers=headers)

        if resp['status'] == '200':
            data = json.loads(content.decode('utf-8'))

            if kwargs.get('raw', False):
                data['raw'] = content
        else:
            data = {'type': 'error',
                    'error': True,
                    'error_code': int(resp['status'])}

        if multi:
            return map(lambda url, data: Url(data, method, url),
                       url_or_urls, data)

        return Url(data, method, url_or_urls)