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contracts...fixedsizebytes.sol

//SPDX-License-Identifier: MIT

pragma solidity ^0.8;

contract Bytes{
    
    
    //dynamic bytes
    bytes public temp;

    constructor(){
        temp = "123445asvbvasdas";
    }

    function pushElement() public{
        temp.push('c');
    }
    function popElement() public{
        temp.pop();
    }
    function getDynamicArrayLength() public view returns(uint){
        return temp.length;
    }
    function getElement(uint _idx) public view returns(bytes1){
        return temp[_idx];
    }
    
    //bytes can saved 2 hex decimal value
    //1 bytes= 8 bit
    //1 hex = 4 bit   ;; 1 bytes =  2 hex   
    //fixed size
    bytes5 public temp1;
    bytes10 public temp2;

    function setValue() public{
        temp1 = '12345';
        temp2 = 'abcedefgas';
    }

    function getValueTemp1() public view returns(bytes5){
        return temp1;
    }
     function getValueTemp2() public view returns(bytes10){
        return temp1;
    }
    function getLength() public view returns(uint){
        return temp1.length;
    }
    function getDigit(uint _x)public view returns(bytes1){
        return temp1[_x];
    }
}