Create app.py

app.py

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+import gradio as gr
+import openai
+
+# Paste your OpenAI key here
+openai.api_key = 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
+
+
+def chat_with_ai(message, history):
+    history = history or []
+    conversation = [{"role": "system", "content": "You are a friendly, helpful student buddy and tutor. Keep explanations clear and engaging, as if you are a supportive classmate."}]
+    
+    for user, bot in history:
+        conversation.append({"role": "user", "content": user})
+        conversation.append({"role": "assistant", "content": bot})
+    conversation.append({"role": "user", "content": message})
+
+    response = openai.ChatCompletion.create(
+        model="gpt-4o-mini",  # Fast & affordable
+        messages=conversation
+    )
+
+    bot_reply = response["choices"][0]["message"]["content"]
+    history.append((message, bot_reply))
+    return history, history
+
+with gr.Blocks() as demo:
+    gr.Markdown("# 🎓 SmartMate AI\nAsk me anything about your courses!")
+    chatbot = gr.Chatbot()
+    state = gr.State()
+    with gr.Row():
+        msg = gr.Textbox(placeholder="Type your question here...")
+        submit = gr.Button("Send")
+    submit.click(chat_with_ai, inputs=[msg, state], outputs=[chatbot, state])
+
+demo.launch()