beginner my question is what is a indentation

Question

beginner my question is what is a indentation
tnx for your answers..

Answer 1

Indentation is an empty space at the beginning of a line to signal the start of a new paragraph. 

Answer 2

Read this:

https://code.sololearn.com/cT5BRIbkia21/?ref=app

Answer 3

For languages like Python it's part of the syntax too. For most other languages, it's there for readability.