Create app.py

app.py

@@ -0,0 +1,24 @@
+import gradio as gr
+
+def calculator(num1, operation, num2):
+    if operation == "add":
+        return num1 + num2
+    elif operation == "subtract":
+        return num1 - num2
+    elif operation == "multiply":
+        return num1 * num2
+    elif operation == "divide":
+        return num1 / num2
+
+
+demo = gr.Interface(
+    fn=calculator,
+    inputs=[
+            gr.Number(value=4), 
+            gr.Radio(["add", "subtract", "multiply", "divide"]), 
+            "number"
+            ],
+    outputs="number",
+)
+
+demo.launch()