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Excel and document tasks Organize tables and check numbers to create clear work documents.
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Articles on this topic 3 Step by step, with examples
Excel and document tasks 04
Find rows with exact matches in all four columns and collect them in a new Excel file with their original row numbers. Review each duplicate group, including its first occurrence.
Excel Duplicate checks openpyxl
↗ Excel and document tasks 05
Validate dates and work hours in a CSV, then save monthly record counts and total hours as a CSV and a bar chart.
Monthly summaries CSV Matplotlib
↗ Excel and document tasks 06
Validate dates and work hours in a CSV, then save monthly record counts and total hours as a CSV and a bar chart.
Monthly summaries CSV Matplotlib
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Clear search Read → Run → Check All examples are for practice. Automotive data is synthetic and used for illustration.