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Test.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.18;

// FIRST CHALLENGE

// Write a simple contract and declare four different types of variables.
// Write get and set functions for each of these variables.
//Return the value of the variable in the “set function”.

contract ChallengeOne {
    bool public check;
    int public number;
    uint public value;
    string public read;

    // setting variables
    function setcheck(bool _check) public {
        check = _check;
    }
    
    function setNumber(int _number) public {
        number = _number;
    }
   
    function setValue(uint _value) public {
        value = _value;
    }
   
    function setRead(string memory _read) public {
        read = _read;
    }

    // getting variables
    function getcheck() public view returns (bool) {
        return check;
    }

    function getNumber() public view returns (int) {
        return number;
    }

    function getValue() public view returns (uint) {
        return value;
    }

    function getRead() public view returns (string memory) {
        return read;
    }
}

Solidity first challenge