How to go from Value to Eth without Web3 library?

dfmines Cryptocurrency News March 30, 2022 | 0

I'm using Etherscan to look at values of transactions at different contracts.

One contract transaction returns 95100000000 for the Eth value 0.00000951

The a separate smart contract transaction returns 272511191 for the Eth value 2.72511191

the last contract transaction returns 1249875000000000 for the Eth value 0.01249875

Web3.fromWei(value, 'ether') works in all cases.

But I'm trying to learn how you would do it normally, for example in Python. Dividing by 10e17 works for one case but not the other. I'm going insane