Learning Solidity : Tutorial 4 Imports and Libraries

Homepage of solidity : https://solidity.readthedocs.io/en/develop/ Remix : http://remix.ethereum.org Source code : https://github.com/willitscale/learning-solidity If you would like to donate some Ethereum my wallet is: 0xC8c8c3Fae80e3eD236970e1C93AcF5B91D0993e2 Many thanks!