from web3 import Web3, HTTPProvider
web3 = Web3(HTTPProvider("ADD_YOUR_ETHEREUM_NODE_URL"))
estimate = web3.eth.estimateGas({'to': '0xd3CdA913deB6f67967B99D67aCDFa1712C293601', 'from': '0x6E0d01A76C3Cf4288372a29124A26D4353EE51BE', 'value': 145})
print("Gas estimate is: ", estimate)