Thank you! Would never have found that by myself.
"Paul Rubin" <no.email@nospam.invalid> wrote in message news:7x7ha75zib....@ruckus.brouhaha.com...
"Alex van der Spek" <zd...@xs4all.nl> writes:refd=dict.fromkeys(csvr.fieldnames,[]) ... I do not understand why this appends v to every key k each time.You have initialized every element of refd to the same list. Try refd = dict((k,[]) for k in csvr.fieldnames)instead.
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