Make a couple changes to argument parsing

README.md

@@ -25,16 +25,18 @@ In that case the recommended usage is to simply call the script in a subprocess
 The full help message:
 ```
 > find_libpython --help
-usage: find_libpython [-h] [--verbose] [--list-all | --candidate-names | --candidate-paths]
+usage: find_libpython [-h] [-v] [--list-all | --candidate-names | --candidate-paths | --platform-info | --version]
 
 Locate libpython associated with this Python executable.
 
-optional arguments:
+options:
   -h, --help         show this help message and exit
-  --verbose, -v      Print debugging information.
+  -v, --verbose      Print debugging information.
   --list-all         Print list of all paths found.
   --candidate-names  Print list of candidate names of libpython.
   --candidate-paths  Print list of candidate paths of libpython.
+  --platform-info    Print information about the platform and exit.
+  --version          show program's version number and exit
 ```
 
 Usage as a library might occur when you need to obtain the path to the library in a Python-based build system like distutils.

src/find_libpython/__init__.py

@@ -426,11 +426,7 @@ def main(args=None):
 
     parser = argparse.ArgumentParser(description=__doc__)
     parser.add_argument(
-        "--verbose", "-v", action="store_true", help="Print debugging information."
-    )
-
-    parser.add_argument(
-        "--version", action="version", version=f"find_libpython {__version__}"
+        "-v", "--verbose", action="store_true", help="Print debugging information."
     )
 
     group = parser.add_mutually_exclusive_group()
@@ -462,6 +458,9 @@ def main(args=None):
         const="platform-info",
         help="Print information about the platform and exit.",
     )
+    group.add_argument(
+        "--version", action="version", version=f"find_libpython {__version__}"
+    )
 
     ns = parser.parse_args(args)
     parser.exit(_cli_find_libpython(**vars(ns)))