first commit

app.py

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+# prompt: Using Gradio to write a simple calculator app
+
+import gradio
+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 = gradio.Interface(
+    fn=calculator,
+    inputs=["number", gradio.Radio(["add", "subtract", "multiply", "divide"]), "number"],
+    outputs="number")
+
+demo.launch()

requirements.txt

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+gradio
+numpy