Update app.py

app.py

@@ -18,10 +18,12 @@ def validate_userInput(user_input):
     if user_input.isdigit():
         if int(user_input) >= 1 and int(user_input) <= 9:                
             #if int(user_input) in st.session_state.legal_numbers:
-                return True
+            return True
         else:
-                return False
+            st.write("input is not between 1 and 9 " + user_input)
+            return False
     else:
+        st.write("input is not digit" + user_input)
         return False
 
 def error_Message(msg):