How can choose to you nested if ,if each time i want to change a value entered by user

Question

For example n is value and i want to produce an output which will reduce 200 or 300 within a specified range

Answer 1

Please specific language and provide your code attempt
Not to do on Sololearn Q&A
https://code.sololearn.com/W26q4WtwSP8W/?ref=app