Update Excel_to_PDF_conversion_using_Python_libraries.md

Author: Tanu-N-Prabhu

Excel_to_PDF_conversion_using_Python_libraries.md

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 # Comparision of Excel to PDF Conversion Methods
+
+### **Comparison of Excel to PDF Conversion Methods**
+
+| Features                     | **`pywin32`** | **`libreoffice`**| **`pdfkit`** |
+|:-----------------------------|:----------------------|:----------------------|:----------------|
+| **Usability**              | ⚠️ Windows-only and requires Excel installed | ✅ Command Line Interface Based | ✅ Easy to Use |
+| **Formatting**       | ✅ Preserves Excel formatting | ✅ Preserves Excel formatting | ✅ Basic Table|
+| **Dependencies**             | ⚠️ Requires MS Office (Excel) Installed | ⚠️ Requires `libreOffice` | ✅ Needs `pdfkit` + `wkhtmltopdf` |
+| **Performance**              | ⚠️ Can be slow for large files | ✅ Very fast | ✅ Fast for small tables |
+| **Images/Charts**   | ✅ Yes | ✅ Yes | ❌ No |
+| **Google Colab Compatibility**    | ❌ No (Windows-only) | ✅ Yes | ✅ Yes| 
+| **Quality**           | ✅ High-quality, preserves formatting | ✅ High-quality, preserves formatting | ✅ Good for plain tables |