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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 cleanup(self):
 """Recursively delete directory."""

        shutil.rmtree(self.name, onerror=lambda *a: os.chmod(a[1], __import__('stat').S_IWRITE) or os.unlink(a[1]))
        if os.path.exists(self.name):
            raise IOError(17, "File exists: '{}'".format(self.name))