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State and local variables in solidity
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| // SPDX-License-Identifier: GPL-3.0 | |
| pragma solidity ^0.7.0; | |
| contract HelloWorldContract { | |
| address owner; // state variable | |
| function helloWorld() external pure returns(string memory){ | |
| string memory greeting ="hello world"; // local variable | |
| return greeting; | |
| } | |
| } |
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