…for large-scale calculations Better numerical stability and precision control Vectorized operations - calculate for multiple planets at once Industry standard for scientific Python Let's install NumPy…
…report for the shift handover, with aligned columns and a totals line, then save the same data as a CSV file with csv.DictWriter for the spreadsheet people.
…summarise(readings), which returns the count, min, max and mean of a list of readings as one dict, then make it handle a pass with no data and round the mean, so any program can use the summary.