diff --git a/Chapter07/Chapter 7.ipynb b/Chapter07/Chapter 7.ipynb
index 3a6ec1f..b42e55a 100644
--- a/Chapter07/Chapter 7.ipynb	
+++ b/Chapter07/Chapter 7.ipynb	
@@ -627,7 +627,9 @@
     "\n",
     "classTree = DecisionTreeClassifier()\n",
     "classTree.fit(Xs, y)\n",
-    "\n",
+    "newApplicant = pd.DataFrame({'income': applicant_df.loc[20].income, \n",
+    "                             'score': applicant_df.iloc[20].score},\n",
+    "                             index=[20])\n",
     "predict_y = classTree.predict(newApplicant)\n",
     "print(predict_y)"
    ]