My Storage

MyStorage.sol

/* ............... */

contract MyStorage {
    // This creates a variable called Number
    // private is a solidity keyword to make variable invisible to the public
    // uint256 means unsigned integer and can take a memory of 2²⁵⁶⁻¹ 
    uint256 private Number;

    // This function assigns the inputed number to the Number variable
    function storeNumber(uint256 _Number) public {
        Number = _Number;
    }

    // This function is used to retrieve the stored Number variable
    function getNumber() public view returns (uint256) {
        return Number;
    }