gh-88146: Set default netrc file name correctly on Windows

Doc/whatsnew/3.12.rst

@@ -253,6 +253,11 @@ dis
   :data:`~dis.hasarg` collection instead.
   (Contributed by Irit Katriel in :gh:`94216`.)
 
+netrc
+-----
+
+* Change the default file name for netrc to _netrc on Windows
+
 os
 --
 

Lib/netrc.py

@@ -67,7 +67,8 @@ class netrc:
     def __init__(self, file=None):
         default_netrc = file is None
         if file is None:
-            file = os.path.join(os.path.expanduser("~"), ".netrc")
+            default_file_name = ".netrc" if os.name != 'nt' else '_netrc'
+            file = os.path.join(os.path.expanduser("~"), default_file_name)
         self.hosts = {}
         self.macros = {}
         try:

Misc/NEWS.d/next/Library/2023-01-09-21-29-58.gh-issue-43980.ij5v8a.rst

@@ -0,0 +1 @@
+Update the netrc library to use the de-facto default file name on Windows of _netrc