Update app.py

app.py

@@ -69,7 +69,7 @@ def boggle(size, time_limit):
         # Create a unique identifier for each form
         form_id = 0
         with st.form(key='new_word_{form_id}'):
-            form_id++
+            form_id=form_id + 1
             new_word = st.text_input("Enter a new word:")
             if len(new_word) >= 3 and new_word not in words and validate_word(new_word.upper(), board):
                 words.add(new_word)