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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 _load(contract_name):
 """Retrieve the contract instance for `contract_name` that represent the smart contract in the keeper network. :param contract_name: str name of the solidity keeper contract without the network name. :return: web3.eth.Contract instance """

        contract_definition = ContractHandler.get_contract_dict_by_name(contract_name)
        address = Web3Provider.get_web3().toChecksumAddress(contract_definition['address'])
        abi = contract_definition['abi']
        contract = Web3Provider.get_web3().eth.contract(address=address, abi=abi)
        ContractHandler._contracts[contract_name] = (contract, ConciseContract(contract))
        return ContractHandler._contracts[contract_name]