Generate a random perfect squared number

Question

My mind blew when I found this in a math test the other day.

With these simple steps you can create a squared number from a random value.

https://code.sololearn.com/cNc9x84wIdc4/?ref=app

Answer 1

It will, but this is 2 numbers adding up.

1 + 3 = 4
1 * 3 = 3

16 + 9 = 25

I just found it super interesting. Like you can do it with any number.

9 + 11 = 20. 20 * 20 = 400
9 * 11 = 99. 99 * 99 = 9801

400 + 9801 = 10201

sqrt of 10201 = 101