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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 combine(self, path):
 """ Gives a combined `self.BASE_URL` with the given `path`. Used to build urls without modifying the current `self.path`. Handles conflicts of trailing or preceding slashes. :param str path: `path` to append :return: combined `self.base_url` and given `path`. :rtype: str """

        url = self.base_url
        if url.endswith('/') and path.startswith('/'):
            url += path[1:]
        elif url.endswith('/') or path.startswith('/'):
            url += path
        else:
            url += '/' + path
        return url