Update app.py

app.py

@@ -31,6 +31,9 @@ def get_course_recommendations(stanine, gwa, strand, hobbies):
         if gwa < 75 or gwa > 100:
             return "GWA must be between 75-100", "", "", "", "", ""
         
+        # Normalize strand to uppercase for case-insensitive matching
+        strand = strand.upper()
+        
         if strand not in ["STEM", "ABM", "HUMSS", "GAS", "TVL"]:
             return "Strand must be one of: STEM, ABM, HUMSS, GAS, TVL", "", "", "", "", ""