visualise problem

[bold plinth]

use this website: https://pythontutor.com/render.html#mode=edit

[round burrow]

can this website accept values that is written by keyboard? (scanf)

[bold plinth]

i haven't tried it for that purpose yet, but if it doesnt, you could initialize the variables without asking for user input

[round burrow]

``` oh well

thanks tho!

[crude maple]

it's what the inner loop does?