Update app.py

app.py

@@ -1 +1,19 @@
-x
+import streamlit as st
+from io import StringIO
+from PIL import Image
+import pandas as pd
+
+st.title("some big ML function")
+
+uploaded_file = st.file_uploader("Choose a file")
+
+if uploaded_file is not None:
+  if ".jpg" in uploaded_file.name or ".png" in uploaded_file.name:
+    image = Image.open(uploaded_file)
+    st.image(image)  #show it
+    
+  elif ".csv" in uploaded_file.name:
+    dataframe = pd.read_csv(uploaded_file)
+    st.write(dataframe)
+  
+