Huge Excel sheets can be annoying, but they don't have to be.

Last time, we learned how to apply Python's 'if statement' to change processing based on conditions. For example, it was code like the following.score = 85 if score >= 80:   print("優秀！") elif score >= ...

For decades, if you wanted to do heavy data lifting in Excel, your options were nested formulas, VBA macros, or a trip into the Power Query Editor. But with Python now accessible directly from Excel ...