pragma solidity ^0.8.0;

//Sample contract
contract SampleContract {
    
    //state variables
    //added a map that takes an address "key" and a number "value"
    //the name of the map is called myMap  
    mapping (address => bool) public myMap;

    
    
    //this function sets a value to a specific address
    //the data is saved to myMap on the block chain 
    function set(address _addr, bool _i) public {
        myMap[_addr] = _i;
    }
    
    
    
    //this function gets a value from a specific address from the map
    //If a value was not set the function will return the default value of 0.
    function get(address _addr) public view returns (bool) {
        return myMap[_addr];
    }
    
    
    
    //this function deletes a value from the map and sets it to the default value of 0
    function remove(address _addr) public {
    delete myMap[_addr];
    
    }

}