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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 get_file_path(self, digest):
 """Retrieve the absolute path to the file with the given digest Args: digest -- digest of the file Returns: String rapresenting the absolute path of the file """

        relPath = Fsdb.generate_tree_path(digest, self._conf['depth'])
        return os.path.join(self.fsdbRoot, relPath)