code: def _get_version_from_arguments(arguments):
      """Checks the arguments passed to `nox -s release`.
  
      Only 1 argument that looks like a version? Return the argument.
      Otherwise, raise a ValueError describing what's wrong.
      """
      if len(arguments) != 1:
          raise ValueError("Expected exactly 1 argument")
  
      version = arguments[0]
      parts = version.split(".")
  
      if len(parts) != 2:
          # Not of the form: YY.N
          raise ValueError("not of the form: YY.N")
  
      if not all(part.isdigit() for part in parts):
          # Not all segments are integers.
          raise ValueError("non-integer segments")
  
      # All is good.
      return version
  
imports: import contextlib
  import datetime
  import difflib
  import glob
  import os
  import re
  import shutil
  import subprocess
  import sys
  import tempfile
  import textwrap
  import time
  import webbrowser
  from pathlib import Path
  import nox
label_desc: Use image node_id 5 for calling a global function with example usage: _get_version_from_arguments(arguments) and returns: version