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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 cache_path(self):
 """ make a directory to store all caches Returns: --------- cache path """

        cache_path = os.path.join(os.path.dirname(__file__), '..', 'cache')
        if not os.path.exists(cache_path):
            os.mkdir(cache_path)
        return cache_path