Create new file

app.py

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+import gradio as gr
+
+def calculator(text1, operation, text2):
+    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(
+    calculator,
+    [
+        "text",
+        gr.Radio(["add", "subtract", "multiply", "divide"]),
+        "text"
+    ],
+    "number",
+    live=True,
+)
+demo.launch()