Update app.py

app.py

@@ -164,13 +164,19 @@ def visualize_clusters(df):
 
 def main(file, num_clusters):
     try:
+        print("Reading the file...")
         file_data = file.read()
         df = pd.read_excel(BytesIO(file_data))
+        print("File read successfully.")
+        
         df = preprocess_data(df)
         df = cluster_data(df, num_clusters)
         visualize_clusters(df)
+        
+        print("Returning the dataframe.")
         return df
     except Exception as e:
+        print("Error occurred:", e)
         return str(e)