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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 clear(self):
 """Remove all subkeys and values from this key."""
    
        self.sam |= KEY_WRITE
        for v in list(self.values()):
            del self[v.name]
        for k in list(self.subkeys()):
            self.del_subkey(k.name)