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contracts...contracts 01...15_Mappings.sol

pragma solidity 0.5.11;

contract Mapping {
    mapping(address => uint) public myMap;

    function setMapping(address _address, uint _number) external {
        myMap[_address] = _number;
    }

    function getMapping(address _address) external view returns (uint) {
        return myMap[_address];
    }

    function deleteMapping(address _address) external {
        delete myMap[_address];
    }
}