Update app.py

app.py

@@ -101,9 +101,15 @@ def new_line(n=1):
 
 # Load Data
 st.cache_data()
-def load_data(upd_file):
-    df = pd.read_csv(upd_file)
-    return df
+def load_data(upd_file
+    # Read CSV or Excel file
+    if file.name.endswith('.csv'):
+        return pd.read_csv(file)
+    elif file.name.endswith('.xlsx') or file.name.endswith('.xls'):
+        return pd.read_excel(file)
+    else:
+        raise ValueError("Unsupported file format. Only CSV and Excel files are supported.")
+
 
 # Progress Bar
 def progress_bar():