<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def copy(self):
        "Return a clone of this hash object."
        other = _ChainedHashAlgorithm(self._algorithms)
        other._hobj = deepcopy(self._hobj)
        other._fobj = deepcopy(self._fobj)
        return other