Update Lib/sysconfig/__init__.py

Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>

Author: ivanbelenky

Lib/sysconfig/__init__.py

@@ -644,7 +644,8 @@ def get_platform():
 
     - win-amd64 (64-bit Windows on AMD64, aka x86_64, Intel64, and EM64T)
     - win-arm64 (64-bit Windows on ARM64, aka AArch64)
-
+    - win32 (all others - specifically, sys.platform is returned)
+    
     POSIX based OS:
 
     - linux-x86_64