Why not creat a program to uninstall the wrong droped python

i install python 3.9.0 in C:\Program Files\ by myself on my computer with win10 system.
yesterday i want to install python3.9.6 , but i install it in C:\Users\lenovo\AppData\Local\Programs
and then when i uninstall 3.9.0 ,i just delete it. i am sorry for this.
when i try to unistall python3.9.6 on install program, it shows successful,but all folder is also here.
and other program can not uninstall it, because them also use install program.
so i need help. a program to truely uninstall the python 3.9.6 and 3.9.0.
or i need a method to uninstall it.