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Xref: csiph.com comp.lang.python:89995

On 2015-05-05 14:25, Skip Montanaro wrote:
> More likely, viewing the CSV file in Excel, Gnumeric, or some other
> spreadsheet which interprets some inputs as dates and formats them
> according to its default rules. Skip 

This is depressingly common, and I've even received CSV and plain text
data files that had some gene names(!) coerced to dates via a trip
through Excel. SEPT9 was one such gene, I believe.

MMR...