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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 _verify(self, token):
 """Verify that the given token is valid. :param str token: The API token to verify. :returns: The token's corresponding user model as a dict, or None if invalid. :rtype: dict """

        # Attempt to authenticate.
        url = '{}{}/'.format(self._url, 'verify')
        resp = requests.post(
            url,
            json={'token': token},
            **self._default_request_kwargs
        )
        if resp.status_code == 200:
            return resp.json().get('data', None)
        return None