Create app.py

app.py

@@ -0,0 +1,56 @@
+import os
+import gradio as gr
+from smolagents import CodeAgent
+from smolagents.models import OpenAIModel
+
+
+def run_hello_world(api_key):
+    if not api_key:
+        return "Please enter your OpenAI API key."
+
+    # Set environment variable dynamically
+    os.environ["OPENAI_API_KEY"] = api_key
+
+    try:
+        # Create model + agent
+        model = OpenAIModel(model="gpt-4o-mini")
+        agent = CodeAgent(
+            model=model,
+            tools=[]
+        )
+
+        # Run hello world task
+        result = agent.run("Say hello world in a fun way!")
+        return result
+
+    except Exception as e:
+        return f"Error: {str(e)}"
+
+
+# Gradio UI
+with gr.Blocks() as demo:
+    gr.Markdown("# 🤖 SmolAgents Hello World Demo")
+    gr.Markdown("Paste your OpenAI API key and press the button.")
+
+    api_input = gr.Textbox(
+        label="OpenAI API Key",
+        type="password",
+        placeholder="sk-..."
+    )
+
+    output = gr.Textbox(
+        label="Agent Output",
+        lines=6
+    )
+
+    run_button = gr.Button("Run Hello World")
+
+    run_button.click(
+        fn=run_hello_world,
+        inputs=api_input,
+        outputs=output
+    )
+
+
+if __name__ == "__main__":
+    demo.launch()