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ContractDefinition.sol

pragma solidity ^0.4.17;

contract Inbox {
    
    string public message;
    
    function Inbox(string initialMessage) public {
        message = initialMessage;
    }
    
    function setMessage(string newMessage) public {
        message = newMessage;
    }
    
    function getMessage() public view returns (string){
        return message;
    }
    
}