상속

contract Father{
	constructor(string memory _givenName){
    	givenName = _givenName;
    }
	string public familyName = "Lee";
    string public givenName = "Dae";
    uint256 public money = 100;
    
    function getFamilyName() view public returns(string memory){
    	return familyName;
    }
    
    function getGivenName() view public returns(string memory){
    	return givenName;
    }
    
    function getMoney() view public returns(uint256){
    	return money;
    }
}


contract Son is Father("Yong"){ //생성자를 이용하여 아들이름 변경
	
}