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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 contract_hash_to_address(self, contract_hash):
 """Try to find corresponding account address. :param contract_hash: :return: """


        address_hash = binascii.a2b_hex(utils.remove_0x_head(contract_hash))
        indexer = AccountIndexer(self)

        return _encode_hex(indexer.get_contract_by_hash(address_hash))