Please explain me range 😧

Question

Having problem in understanding this 👎👇

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2434/

Answer 1

Whole paragraph

Answer 2

Range is like limits of something.

Example:
1) In physics visible light ray wavelength starts from 400 and ends at 700.

2) making a form which is accessible for the people between the age of 18 to 65.