Added comments to changes supporting different versions of argparse i…

…n platform/config.py.

volttron/platform/config.py

@@ -374,9 +374,9 @@ def _take(n):
                 cli_args.append(arg_string)
                 continue
             # Some kind of option was encountered, so deal with it
-            if len(option_tuple) == 3:
+            if len(option_tuple) == 3:  # Argparse behavior on Python versions < 3.11.9 and < 3.12.3
                 action, option_string, explicit_arg = option_tuple
-            elif len(option_tuple) == 4:
+            elif len(option_tuple) == 4:  # Argparse behavior on Python versions >= 3.11.9 and >= 3.12.3
                 action, option_string, _, explicit_arg = option_tuple
             else:
                 raise ValueError(f'Unable to parse options: "{arg_strings}".')