diff --git a/python/test_demo.py b/python/test_demo.py
new file mode 100644
index 0000000..8a23583
--- /dev/null
+++ b/python/test_demo.py
@@ -0,0 +1,9 @@
+import random
+from loguru import logger as log
+
+
+def test_random_number():
+    a = random.randint(1, 10)
+    b = random.randint(1, 10)
+    log.info(f'Random number: a={a}, b={b}')
+    assert a > b, f"Whoops! a <= b"