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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 path_is_empty(p: tcod.path.AStar) -> bool: """Return True if a path is empty. Args: p (AStar):
 An AStar instance. Returns: bool: True if a path is empty. Otherwise False. """

    return bool(lib.TCOD_path_is_empty(p._path_c))