In pythonanywhere, bash:
after getting into app directory: 
cd ~/qpa26_web
type: 
PYTHONPATH=. python3 "tools/reset_admin_password.py"
and press ENTER


For desktop app:

cd "K:\WebDev&ProgrammingWD\Python\Python Personal\Automate my Works\Quran Personal App Flask\qpa26_web 3.0"
$env:PYTHONPATH = "."
python "tools\reset_admin_password.py" 