xlwings
xlwings is an open-source Python library that allows developers to interact with Microsoft Excel from Python, enabling automation of Excel tasks, data manipulation, and integration with Python's data science ecosystem. It provides a bridge between Python and Excel, allowing users to read, write, and manipulate Excel files, run macros, and create user-defined functions (UDFs) directly from Python scripts. This makes it particularly useful for automating repetitive Excel workflows, performing complex calculations, and embedding Python analytics into Excel spreadsheets.
Developers should learn xlwings when they need to automate Excel-based processes, integrate Python data analysis or machine learning models into Excel, or build interactive Excel applications with Python backend logic. It is ideal for use cases such as financial modeling, data reporting, dashboard creation, and automating data entry or formatting tasks in Excel, especially in environments where Excel is the primary tool for business users. By using xlwings, developers can leverage Python's powerful libraries (e.g., pandas, NumPy) while maintaining the familiarity of Excel for end-users.