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//SPDX-License-Identifier: MIT
pragma solidity ^0.8.16;
contract todo
{
   struct llist
   {  
       uint no ;         // note no.
       string cont ;        // content
       address own ;         //  owner address
       bool iscom ;            // completed or not
       uint ttim ;              // time of creation
   }
    uint public i ; 
    mapping ( address => uint) public num ;        // for serial no. of note 
    mapping ( address => llist[100]) public num2 ;   // creating an array of 100 elements of struct type
    function real( string memory _contect) public
    {
        if (  num[msg.sender] > 99)

        i = 8 ;

        else
        {num2[msg.sender].push( num[msg.sender] , _contect,payable(msg.sender),false,block.timestamp);    // Line 1
                  num[msg.sender]++ ;
        }
     }
}