Update app.py

app.py

@@ -1,16 +1,32 @@
-import numpy as np
+import gradio as gr
 
-def sepia(image):
-    sepia_filter = np.array(
-        [[0.393, 0.769, 0.189], 
-         [0.349, 0.686, 0.168], 
-         [0.272, 0.534, 0.131]]
-    )
-    sepia_img = image.dot(sepia_filter.T)
-    sepia_img /= sepia_img.max()
-    return sepia_img
+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
 
-import gradio as gr
 
-# Write 1 line of Python to create a simple GUI
-gr.Interface(fn=sepia, inputs="image", outputs="image").launch();
+demo = gr.Interface(
+    fn=calculator,
+    inputs=[
+            gr.Number(value=4), 
+            gr.Radio(["add", "subtract", "multiply", "divide"]), 
+            "number"
+            ],
+    outputs="number",
+    examples=[
+        [5, "add", 3],
+        [4, "divide", 2],
+        [-4, "multiply", 2.5],
+        [0, "subtract", 1.2],
+    ],
+    title="test calculator",
+    description="heres a sample **toy calculator**. enjoy!",
+)
+
+demo.launch()