Update app.py

app.py

@@ -12,7 +12,7 @@ def validate_userInput(user_input):
         if int(user_input) < 1 or int(user_input) > 9:
             return "Please enter a digit between 1 to 9."
         else:    
-            legal_numbers = legal_numbers.pop(int(user_input)-1)
+            legal_numbers.pop(int(user_input)-1)
             update_legalNumbers(legal_numbers)
     else:
         return "Please enter a digit between 1 to 9."