>>> myContract.functions.setVar(1).transact()
HexBytes('0x79af0c7688afba7588c32a61565fd488c422da7b5773f95b242ea66d3d20afda')
>>> myContract.functions.getVar().call()
1
# The above call equivalent to the raw call:
>>> we3.eth.call({'value': 0, 'gas': 21736, 'gasPrice': 1, 'to': '0xc305c901078781C232A2a521C2aF7980f8385ee9', 'data': '0x477a5c98'})
HexBytes('0x0000000000000000000000000000000000000000000000000000000000000001')