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app.py

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+import gradio as gr
+import cohere
+
+API_KEY = "MIruAnyAZJg3bkwNyKf8xadKzzX1yIxbkHbap4PP"
+co = cohere.ClientV2(api_key=API_KEY)
+
+def chatbot(user_message, history):
+    # Send only the latest user message to Cohere
+    cohere_messages = [{
+        "role": "user",
+        "content": [{"type": "text", "text": user_message}]
+    }]
+    
+    response = co.chat(
+        messages=cohere_messages,
+        temperature=0.3,
+        model="command-a-03-2025",
+    )
+    
+    assistant_reply = response.message.content[0].text
+    
+    # Instead of appending, overwrite history with just this turn
+    return [
+        {"role": "user", "content": user_message},
+        {"role": "assistant", "content": assistant_reply},
+    ]
+
+with gr.Blocks() as demo:
+    gr.Markdown("## 🤖 SIRMVIT CSE Chatbot ")
+    gr.ChatInterface(fn=chatbot, type="messages")
+
+if __name__ == "__main__":
+    demo.launch()