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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 info(cache_dir=CACHE_DIR, product=DEFAULT_PRODUCT):
 """Show info about the product cache. :param cache_dir: Root of the DEM cache folder. :param product: DEM product choice. """

    datasource_root, _ = ensure_setup(cache_dir, product)
    util.check_call_make(datasource_root, targets=['info'])