comment for test_readme file

Author: tschm

tests/test_readme.py

@@ -1,4 +1,8 @@
-# tests/test_readme.py
+"""Tests for README code examples.
+
+This module extracts Python code and expected result blocks from README.md,
+executes the code, and verifies the output matches the documented result.
+"""
 import pathlib
 import re
 import subprocess