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test.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

// Defines basic contract dependecies to initiate

contract MarkingSytem {
    // State variables to hold the initial 3 marks
    uint public mark1;
    uint public mark2;
    uint public mark3;

    // Flag to notify if first requirement is passed! "marks are with 10 pints of each other"
    bool public isSetledInFirstRevision;

    constructor(uint _mark1,
                uint _mark2,
                uint _mark3) {
        mark1 = _mark1;
        mark2 = _mark2;
        mark3 = _mark3;
    }

    // Function takes no argmuents. They come as part of the contracts constructor. 
    // This means the 3 grades will be present during contract creation.
    function getIsSetledInFirstRevision() public view returns (bool) {
        if         ((mark1 - mark2) < 10) {
            return false;
        } else if  ((mark2 - mark3) < 10) {
            return false; 
        } else if  ((mark1 - mark3) < 10) {
            return false;
        } else {
            return true;
        }
    } 
}