How To Write CSV Headers within a For Loop in Python | Avoid duplicate headers in a CSV

Python code : appending a CSV file can result in rows of duplicated headers.
This looks at how to track within a function whether you have already created the header row.

If you are appending to a csv and have exited the function you'll need to check if file exists and then if it does...just write the rows.

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Thumbs up yeah? (cos Algos..)

#csv #tutorials #python

[bluespider]

Honestly why didn't I think of this, I've spent 30 mins trying to figure out why in the world I'm getting duplicated headers. Thanks for this

[RenanAlvess]

Hi, could you show how to implement this in crawlprocess in scrapy? Congratulations for the channel