Terry J. Reedy added the comment:
On my win 10 machine, upgraded from win 7 a week ago, I have
C:/programs/Python27, ...34, and ...35. C:/Windows/system32 contains
python27.dll and ...34.dll, but not ...35.dll. For Idle 2.7 and 3.4, default
'Save As' directory is Python27 and ...34. (Saving
Changes by Zachary Ware :
--
components: +IDLE, Windows -Installation
nosy: +kbk, paul.moore, roger.serwy, steve.dower, terry.reedy, tim.golden,
zach.ware
title: Save path automatically choses C:\Windows\system32 -> IDLE: Save path
automatically choses C:\Windows\system32
