Update pages/recommend.py

pages/recommend.py

@@ -21,7 +21,12 @@ rain(
 )
 
 def recommend(course):
-    index = courses_list[courses_list['course_name'] == course].index[0]
+    course_index = courses_list[courses_list['course_name'] == course].index
+    if len(course_index) == 0:
+        st.error(f"Course '{course}' not found in the dataset.")
+        return
+
+    index = course_index[0]
     dist1 = (similarity[index])
     distances = sorted(list(enumerate(dist1)), reverse=True, key=lambda x: x[1])
     dist = pd.DataFrame(dist1)