<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
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<USER_TASK:>
Description:
 def approve(self, access_level=gitlab.DEVELOPER_ACCESS, **kwargs):
 """Approve an access request. Args: access_level (int):
 The access level for the user **kwargs: Extra options to send to the server (e.g. sudo) Raises: GitlabAuthenticationError: If authentication is not correct GitlabUpdateError: If the server fails to perform the request """


        path = '%s/%s/approve' % (self.manager.path, self.id)
        data = {'access_level': access_level}
        server_data = self.manager.gitlab.http_put(path, post_data=data,
                                                   **kwargs)
        self._update_attrs(server_data)