From 250f1672c631f610dccc9e58a663201fca22d2dd Mon Sep 17 00:00:00 2001
From: myeongseok <myeongseok@kaist.ac.kr>
Date: Fri, 12 Sep 2025 21:10:50 +0900
Subject: [PATCH] add comment

---
 book/ate/did.ipynb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/book/ate/did.ipynb b/book/ate/did.ipynb
index 65e026d..5feb084 100644
--- a/book/ate/did.ipynb
+++ b/book/ate/did.ipynb
@@ -28,7 +28,9 @@
    },
    "outputs": [],
    "source": [
-    "import pandas as pd"
+    "import pandas as pd\n",
+    "\n",
+    "# comment"
    ]
   },
   {