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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 scan_url(self, this_url):
 """ Submit a URL to be scanned by VirusTotal. :param this_url: The URL that should be scanned. This parameter accepts a list of URLs (up to 4 with the standard request rate) so as to perform a batch scanning request with one single call. The URLs must be separated by a new line character. :return: JSON response that contains scan_id and permalink. """

        params = {'apikey': self.api_key, 'url': this_url}

        try:
            response = requests.post(self.base + 'url/scan', params=params, proxies=self.proxies)
        except requests.RequestException as e:
            return dict(error=e.message)

        return _return_response_and_status_code(response)