Update app.py

app.py

@@ -37,8 +37,7 @@ selected_answer = st.radio("เลือกคำตอบของคุณ:",
 
 # Check answer and show the result
 if not st.session_state.answered and st.button("ตรวจคำตอบ"):
-    st
-.session_state.answered = True
+    st.session_state.answered = True
     if selected_answer == correct_answer:
         st.success("ถูกต้อง!")
     else: