Update app.py

app.py

@@ -49,6 +49,7 @@ if st.button("🚀 Generate and Run"):
         output_buffer = io.StringIO()
         try:
             with contextlib.redirect_stdout(output_buffer):
+                uploaded_file.seek(0)
                 exec(code, {"uploaded_file": uploaded_file})
             st.success("✅ Code executed successfully.")
             st.text(output_buffer.getvalue())