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Contract1.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.12;

contract Contract1 {
    uint public constant c1 = 7894578;
    uint public immutable i1;
    uint public v1;

    constructor(uint _i1, uint _v1){
        i1=_i1;
        v1=_v1;
    }
    
    // function setC1(uint _v) public {
    //     c1=_v;
    // }

    function setV1(uint _v) public {
        v1=_v;
    }

    // function setI1(uint _v) public {
    //     i1=_v;
    // }
}