Why do I have to use the tab in lines?

Question

I'm a noobie so pardon my ignorance :3
https://code.sololearn.com/cxri1qf4Y6ZR/?ref=app

Answer 1

You don't need a tab for indentation ,it just makes the code more readable you could just provide a single space and it will work fine

Answer 2

What is indentation? I mean the purpose of it? 𝐊𝐢𝐢𝐛𝐨 𝐆𝐡𝐚𝐲𝐚𝐥

Answer 3

Ohh thank you so much for the clarification! It's my first day and I truly had no idea about programming. Thanks again 😊

Answer 4

But it doesn't work if I don't use it :/ ~ swim ~