[EMAIL PROTECTED] wrote:
I have a csv file containing product information that is 700+ MB in
size. I'm trying to go through and pull out unique product ID's only
as there are a lot of multiples. My problem is that I am appending the
ProductID to an array and then searching through that array each time
to see if I've seen the product ID before. So each search takes longer
and longer. I let the script run for 2 hours before killing it and had
only run through less than 1/10 if the file.


I think you need to learn about Python's dictionary data type.
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