pd.read_csv('file.csv'): Reads data from a CSV file into a DataFrame. pd.read_excel('file.xlsx'): Reads data from an Excel file. df.to_csv('output.csv', index=False): Writes DataFrame to a CSV file.

The 11 Best Free Microsoft Excel Alternative Programs in 2025 Your email has been sent The kinds of features you need from your spreadsheet application can vary, though many users never come close ...