Update app.py

app.py

@@ -80,16 +80,17 @@ sample_queries = [
 ]
 
 sample_urls = [
-    https://www.healthline.com/nutrition/plant-based-diet-guide
-    https://www.ibm.com/quantum-computing/what-is-quantum-computing
-    https://climate.nasa.gov/evidence/
-    https://www.investopedia.com/terms/b/blockchain.asp
-    https://www.duolingo.com/
-    https://www.diabetes.org/diabetes
-    https://jamesclear.com/book-summaries
-    https://www.qualcomm.com/news/onq/2020/01/10/what-5g-and-how-it-changing-everything
-    https://datasciencedegree.wisconsin.edu/data-science/what-do-data-scientists-do/
-    https://aiethicslab.com/
+   sample_urls = [
+    "https://www.healthline.com/nutrition/plant-based-diet-guide",
+    "https://www.ibm.com/quantum-computing/what-is-quantum-computing",
+    "https://climate.nasa.gov/evidence/",
+    "https://www.investopedia.com/terms/b/blockchain.asp",
+    "https://www.duolingo.com/",
+    "https://www.diabetes.org/diabetes",
+    "https://jamesclear.com/book-summaries",
+    "https://www.qualcomm.com/news/onq/2020/01/10/what-5g-and-how-it-changing-everything",
+    "https://datasciencedegree.wisconsin.edu/data-science/what-do-data-scientists-do/",
+    "https://aiethicslab.com/"
 ]
 
 validator = URLValidator()