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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 getresponse(self, _=False, **kwargs):
        '''Retrieve the response'''
        # Check to see if the cassette has a response for this request. If so,
        # then return it
        if self.cassette.can_play_response_for(self._vcr_request):
            log.info(
                "Playing response for {} from cassette".format(
                    self._vcr_request
                )
            )
            response = self.cassette.play_response(self._vcr_request)
            return VCRHTTPResponse(response)
        else:
            if self.cassette.write_protected and self.cassette.filter_request(
                self._vcr_request
            ):
                raise CannotOverwriteExistingCassetteException(
                    "No match for the request (%r) was found. "
                    "Can't overwrite existing cassette (%r) in "
                    "your current record mode (%r)."
                    % (self._vcr_request, self.cassette._path,
                       self.cassette.record_mode)
                )

            # Otherwise, we should send the request, then get the response
            # and return it.

            log.info(
                "{} not in cassette, sending to real server".format(
                    self._vcr_request
                )
            )
            # This is imported here to avoid circular import.
            # TODO(@IvanMalison): Refactor to allow normal import.
            from vcr.patch import force_reset
            with force_reset():
                self.real_connection.request(
                    method=self._vcr_request.method,
                    url=self._url(self._vcr_request.uri),
                    body=self._vcr_request.body,
                    headers=self._vcr_request.headers,
                )

            # get the response
            response = self.real_connection.getresponse()

            # put the response into the cassette
            response = {
                'status': {
                    'code': response.status,
                    'message': response.reason
                },
                'headers': serialize_headers(response),
                'body': {'string': response.read()},
            }
            self.cassette.append(self._vcr_request, response)
        return VCRHTTPResponse(response)