Updates

app.py

@@ -72,7 +72,7 @@ def generate_pdf_report():
                 pdf.multi_cell(0, 10, f"Explanation: {explanation}")
                 pdf.ln(5)
                 pdf.multi_cell(0, 10, "Step-by-Step Solution:")
-                for step in step_by-step_solution:
+                for step in step_by_step_solution:  # Corrected variable name
                     pdf.multi_cell(0, 10, step)
                 pdf.ln(10)