AbdullahOmor

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.26;

contract Variables {
    // State variables are stored on the blockchain.
    string public text = "Hello";
    uint256 public num = 123;

    function doSomething() public view {
        // Local variables are not saved to the blockchain.

AbdullahOmor

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// solhint-disable-next-line interface-starts-with-i
interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);