I have a csv file which details the results of equipment tests, I carry
out PAT testing as a volunteer at a heriatge railway in N. Wales. I want
to extract how many items were tested on each test day. So far I have
generated a List of test dates, but I am now stalled at how to
efficiently count numbers tested on each date.
Can I have a list of tuples, where one item is the date and the second
the count?
or is there a better construct?
Thanks in advance,
Dave
For completeness, I have listed below an extract from a target file,
where the 10 digit number is the UNIX timestamp
182 1515001232
Toaster 13 2000 1
183 1515001259 Contact Grill 13 2000 1
245 1515001367
3G Cube Adaptor 13 0 1
246 1515001396 13A IEC Lead 5 0 1
248 1515001415
Worktop Light 3 30 1
420 1515001440
Fly killer 0 0 1
424 1515001461
Dairy fridge 13 0 1
427 1513277293 Fire 13 0 1
429 1515001489
Toaster Avanti 13 0 1
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