Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

If you decide to spill the results, you can then use the spilled range operator (#) to perform a calculation on the spilled range. Simply reference the first cell of the spilled range with a # ...

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Python is a great language for automating everyday tasks, from managing files to interacting with websites. Libraries like ...

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