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Dockerfile

@@ -1,6 +1,6 @@
-FROM python:3.9
+FROM python:3.8
 WORKDIR /code
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 COPY . .
-CMD ["python", "/code/app.py", "--host", "nikhilj-Webpanel.hf.space", "--port", "7860"]
+CMD ["panel", "serve", "/code/app.py", "--host", "nikhilj-Webpanel.hf.space", "--port", "7860"]

app.py

@@ -1,17 +1,20 @@
 import panel as pn
 
-# Create a list of numbers
 numbers = [1, 2, 3, 4, 5]
 
-# Create a Panel app
-app = pn.Column(
-  pn.Row(
-    pn.Text("Numbers"),
-    pn.Select(options=numbers, value=numbers[0]),
-  ),
-  pn.Button("Add Number", click=lambda: numbers.append(numbers[-1] + 1)),
-  pn.Table(numbers),
-)
+def square_numbers():
+    squared = [num ** 2 for num in numbers]
+    return squared
 
-# Serve the app
-app.servable()
+pn.extension()
+
+button = pn.widgets.Button(name='Square Numbers', button_type='primary')
+output = pn.widgets.StaticText()
+
+def button_click(event):
+    output.value = str(square_numbers())
+
+button.on_click(button_click)
+
+app = pn.Column(button, output)
+app.servable()

requirements.txt

@@ -1 +1 @@
-panel
+panel==0.12.1