description Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .xltx, .csv, or ...

The basic explanations, code, exercises, and answer keys for 059 and 060 are free. In the second half, I have compiled 6 additional practice problems and answers for checking CSV records, which you ...