Arrays and 2dArrays in solidity

Arrays.sol

pragma solidity >=0.7.0 <0.9.0;

contract MyContract {
    uint[] public intArray = [1,2,3];
    string[] public stringArray = ["a","b", "c", "d"];
    string[] public values;
    uint[][] public my2dArray = [ [1,2,3,4], [5,6,7,9] ];
    
    function pushValues(string memory _value) public {
        values.push(_value);
    }

    function viewValues() public view returns (uint) {
        return values.length;
    }
}