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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 CreatePermission(self, user_link, permission, options=None):
 """Creates a permission for a user. :param str user_link: The link to the user entity. :param dict permission: The Azure Cosmos user permission to create. :param dict options: The request options for the request. :return: The created Permission. :rtype: dict """

        if options is None:
            options = {}

        path, user_id = self._GetUserIdWithPathForPermission(permission, user_link)
        return self.Create(permission,
                           path,
                           'permissions',
                           user_id,
                           None,
                           options)