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README.md

@@ -6,7 +6,6 @@ colorFrom: indigo
 colorTo: indigo
 sdk: gradio
 sdk_version: 3.4.1
-
-app_file: app.py
+app_file: run.py
 pinned: false
 ---

run.py

@@ -0,0 +1,33 @@
+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":
+        if num2 == 0:
+            raise gr.Error("Cannot divide by zero!")
+        return num1 / num2
+
+demo = gr.Interface(
+    calculator,
+    [
+        "number", 
+        gr.Radio(["add", "subtract", "multiply", "divide"]),
+        "number"
+    ],
+    "number",
+    examples=[
+        [5, "add", 3],
+        [4, "divide", 2],
+        [-4, "multiply", 2.5],
+        [0, "subtract", 1.2],
+    ],
+    title="Toy Calculator",
+    description="Here's a sample toy calculator. Enjoy!",
+)
+if __name__ == "__main__":
+    demo.launch()