Add application file

app.py

@@ -0,0 +1,15 @@
+import streamlit as st
+from PIL import Image
+import numpy as np
+
+st.title("Image Average Pixel Calculator")
+uploaded_file = st.file_uploader("Upload an image", type=["png", "jpg", "jpeg"])
+if uploaded_file:
+    image = Image.open(uploaded_file)
+    st.image(image, caption="Uploaded image", use_column_width=True)
+    image_np = np.array(image)
+    if image_np.ndim == 3:
+        avg_pixel = image_np.mean(axis=(0, 1))
+    else:
+        avg_pixel = image_np.mean()
+    st.write("Average pixel values:", avg_pixel