Create app.py

app.py

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+import gradio as gr
+from transformers import pipeline
+
+qa = pipeline("question-answering", model="distilbert-base-cased-distilled-squad")
+
+def answer(question, context):
+    if not context.strip():
+        return "Please upload or paste content first."
+    return qa(question=question, context=context)["answer"]
+
+with gr.Blocks() as demo:
+    gr.Markdown("## Free AI Document Chatbot")
+
+    context = gr.Textbox(label="Paste document text here", lines=10)
+    question = gr.Textbox(label="Ask a question")
+
+    output = gr.Textbox(label="Answer")
+
+    ask = gr.Button("Ask")
+
+    ask.click(answer, [question, context], output)
+
+demo.launch()