Update app.py

app.py

@@ -1,7 +1,14 @@
 import gradio as gr
 
+# Global variable to track if the check has been done
+check_done = False
+
 # functions
 def check(answers, correct_answers):
+    global check_done
+    if check_done:
+        raise gr.Error("Вы уже проверили ответы!")
+    
     if not all(answers):
         raise gr.Error("Выберите все ответы!")
     
@@ -10,6 +17,7 @@ def check(answers, correct_answers):
         result = "✔" if answer == correct_answer else "✖️"
         results.append(f"{i}: {result}")
     
+    check_done = True  # Set the flag to True after the check
     return "\n".join(results)
 
 # css