Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=

ballot.sol

pragma solidity ^0.4.0;
contract Ballot {

    struct Voter {
        uint weight;
        bool voted;
        uint8 vote;
        address delegate;
    }
    struct Proposal {
        uint voteCount;
    }

    address chairperson;
    mapping(address => Voter) voters;
    Proposal[] proposals;

    /// Create a new ballot with $(_numProposals) different proposals.
    function Ballot(uint8 _numProposals) public {
        chairperson = msg.sender;
        voters[chairperson].weight = 1;
        proposals.length = _numProposals;
    }

    /// Give $(toVoter) the right to vote on this ballot.
    /// May only be called by $(chairperson).
    function giveRightToVote(address toVoter) public {
        if (msg.sender != chairperson || voters[toVoter].voted) return;
        voters[toVoter].weight = 1;
    }

    /// Delegate your vote to the voter $(to).
    function delegate(address to) public {
        Voter storage sender = voters[msg.sender]; // assigns reference
        if (sender.voted) return;
        while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
            to = voters[to].delegate;
        if (to == msg.sender) return;
        sender.voted = true;
        sender.delegate = to;
        Voter storage delegateTo = voters[to];
        if (delegateTo.voted)
            proposals[delegateTo.vote].voteCount += sender.weight;
        else
            delegateTo.weight += sender.weight;
    }

    /// Give a single vote to proposal $(toProposal).
    function vote(uint8 toProposal) public {
        Voter storage sender = voters[msg.sender];
        if (sender.voted || toProposal >= proposals.length) return;
        sender.voted = true;
        sender.vote = toProposal;
        proposals[toProposal].voteCount += sender.weight;
    }

    function winningProposal() public constant returns (uint8 _winningProposal) {
        uint256 winningVoteCount = 0;
        for (uint8 prop = 0; prop < proposals.length; prop++)
            if (proposals[prop].voteCount > winningVoteCount) {
                winningVoteCount = proposals[prop].voteCount;
                _winningProposal = prop;
            }
    }
}

myfirstcontract.sol

pragma solidity ^0.4.0;

contract Bank {
    uint private value;
    
    function deposit(uint amount) {
        value += amount;
    }
    
    function withdraw(uint amount) {
        value -= amount;
    }
    
    function balance() returns (uint) {
        return value;
    }
}

contract myFirstContract is Bank {
    string private name;
    uint private age;
    
    function setName(string newName) {
        name = newName;
    }
    
    function getName() returns (string) {
        return name;
    }
    
    function setAge(uint newAge) {
        age = newAge;
    }
    
    function getAge() returns (uint) {
        return age;
    }
}

scenario.json

{
  "accounts": {
    "account{-1}": null
  },
  "linkReferences": {},
  "transactions": [
    {
      "timestamp": 1528730187236,
      "record": {
        "value": "0",
        "parameters": [],
        "abi": "0xdfcbe054725ea501056a95ff91530c2a83371e15ec9d05619f12c76baa92ee2f",
        "contractName": "myFirstContract",
        "bytecode": "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",
        "linkReferences": {},
        "name": "",
        "type": "constructor",
        "from": "account{-1}"
      }
    }
  ],
  "abis": {
    "0xdfcbe054725ea501056a95ff91530c2a83371e15ec9d05619f12c76baa92ee2f": [
      {
        "constant": false,
        "inputs": [],
        "name": "getName",
        "outputs": [
          {
            "name": "",
            "type": "string"
          }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [
          {
            "name": "amount",
            "type": "uint256"
          }
        ],
        "name": "withdraw",
        "outputs": [],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [],
        "name": "getAge",
        "outputs": [
          {
            "name": "",
            "type": "uint256"
          }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [],
        "name": "balance",
        "outputs": [
          {
            "name": "",
            "type": "uint256"
          }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [
          {
            "name": "amount",
            "type": "uint256"
          }
        ],
        "name": "deposit",
        "outputs": [],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [
          {
            "name": "newName",
            "type": "string"
          }
        ],
        "name": "setName",
        "outputs": [],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      },
      {
        "constant": false,
        "inputs": [
          {
            "name": "newAge",
            "type": "uint256"
          }
        ],
        "name": "setAge",
        "outputs": [],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
      }
    ]
  }
}