Sorry Daiyue,
Try this correction: I'm writing code without being able to execute it.
> split_on_dbl_dbl_quote = original_list.join('|').split('""')
> remove_dbl_dbl_quotes_and_outer_quotes =
> split_on_dbl_dbl_quote[::2].join('').split('|')
split_on_dbl_dbl_quote = original_list.join('|').split('""')
remove_dbl_dbl_quotes_and_outer_quotes =
'"'.join(split_on_dbl_dbl_quote[::2]).split('|')
Cheers,
Nick
>
> You need to be sure of your data: [::2] (return just even-numbered elements)
> relies on all double-double-quotes both opening and closing within the same
> string.
>
> This runs in under a second for a million strings but does affect *all*
> elements, not just strings. The non-strings would become strings after the
> second statement.
>
> As to multi-processing: I would be looking at well-optimised single-thread
> solutions like split/join before I consider MP. If you can fit the problem to
> a split-join it'll be much simpler and more "pythonic".
>
> Cheers,
>
> Nick
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