Update app.py

app.py

@@ -78,6 +78,21 @@ elif input_option == "Upload CSV File":
         except Exception as e:
             st.error(f"Error loading file: {e}")
 
+def save_as_txt(content, filename):
+    with open(filename, "w") as f:
+        f.write(content)
+    return filename
+
+def save_as_pdf(content, filename):
+    from fpdf import FPDF
+    pdf = FPDF()
+    pdf.add_page()
+    pdf.set_font("Arial", size=12)
+    for line in content.split('\n'):
+        pdf.multi_cell(0, 10, line)
+    pdf.output(filename)
+    return filename
+
 # Show Dataset Preview Only After Loading
 if st.session_state.df is not None and st.session_state.show_preview:
     st.subheader("📂 Dataset Preview")