pragma solidity ^0.4.23;

contract BooleanTest{

    bool _a;
    int num1 = 100;
    int num2 = 200;

    function getBool() public view returns(bool){

        return _a;
    }

      function getBool2() public view returns(bool){
        return !_a;
    }

    function equal() public view returns(bool){
        return  num1==num2;

    }

      function equal2() public view returns(bool){
        return  num1!=num2;
    }
}