adding the feature of fill in the blank type of questions

app.py

@@ -537,6 +537,14 @@ async def generate_questions_async(text, num_questions, context_window_size, num
         st.error(f"An unexpected error occurred: {str(e)}")
         return []
 
+async def generate_fill_in_the_blank_questions(context,answer):
+    answerSize = len(answer)
+    replacedBlanks = ""
+    for i in range(answerSize):
+        replacedBlanks += "_"
+    blank_q = context.replace(answer,replacedBlanks)
+    return blank_q
+
 async def process_batch(batch, keywords, context_window_size, num_beams):
     questions = []
     for text in batch:
@@ -544,6 +552,7 @@ async def process_batch(batch, keywords, context_window_size, num_beams):
         for keyword, context in keyword_sentence_mapping.items():
             question = await generate_question_async(context, keyword, num_beams)
             options = await generate_options_async(keyword, context)
+            blank_question = await generate_fill_in_the_blank_questions(context,keyword)
             overall_score, relevance_score, complexity_score, spelling_correctness = assess_question_quality(context, question, keyword)
             if overall_score >= 0.5:
                 questions.append({
@@ -555,6 +564,7 @@ async def process_batch(batch, keywords, context_window_size, num_beams):
                     "relevance_score": relevance_score,
                     "complexity_score": complexity_score,
                     "spelling_correctness": spelling_correctness,
+                    "blank_question": blank_question,
                 })
     return questions
 
@@ -639,6 +649,7 @@ def main():
             show_options = st.checkbox("Options",False)
             show_entity_link = st.checkbox("Entity Link For Wikipedia",True)
             show_qa_scores = st.checkbox("QA Score",False)
+            show_blank_question = st.checkbox("Fill in the Blank Questions",True)
         num_beams = st.slider("Select number of beams for question generation", min_value=2, max_value=10, value=2)
         context_window_size = st.slider("Select context window size (number of sentences before and after)", min_value=1, max_value=5, value=1)
         num_questions = st.slider("Select number of questions to generate", min_value=1, max_value=1000, value=5)
@@ -696,6 +707,8 @@ def main():
         for i, q in enumerate(state['generated_questions']):
             st.subheader(body=f":orange[Q{i+1}:] {q['question']}")
 
+            if show_blank_question is True:
+                st.write(f"**Fill in the Blank Question:** {q['blank_question']}")
             if show_context is True:
                 st.write(f"**Context:** {q['context']}")
             if show_answer is True: