Let's create some solidity functions which can convert gwei,wei to ether & vice versa

Actually it's preety simple; just a matter of some basic codes

pragma solidity ^0.8.3;
contract task1 {
function etherToWei(uint valueEther) public returns (uint)
    {
       return valueEther*(10**18);
    }
    function weiToEther(uint valueWei) public returns (uint)
    {
       return valueWei/(10**18);
    }
    function etherToGWei(uint valueEther) public returns (uint)
    {
       return valueEther*(10**9);
    }
     function gweiToEther(uint valueGwei) public returns (uint)
    {
       return valueGwei/(10**18);
    }
}

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