Update app.py

app.py

@@ -1,3 +1,10 @@
+def process_and_explain(pdf_file, concept_to_explain):
+    if pdf_file is not None:
+        extracted_text = extract_text_from_pdf(pdf_file)
+        print(f"Extracted Text (first 500 chars):\n{extracted_text[:500]}") # Add this line
+        if "Error reading PDF" in extracted_text or not extracted_text.strip():
+            return "Could not extract text from the PDF. Please try another file."
+       
 import gradio as gr
 from transformers import pipeline
 import PyPDF2