//Write your own contracts here. Currently compiles using solc v0.4.15+commit.bbb8e64f. pragma solidity ^0.4.18; contract savePk { mapping (address => string) myPk; function setPk(string _myNumber) public { myPk[msg.sender] = _myNumber; } function getPk() public view returns (string) { return myPk[msg.sender]; } }
0.4.19