I'm a self-published author and these are my offers till end of this month:

1) "Practice Python Projects" (https://learnbyexample.gumroad.com/l/py_projects/blackfriday) ebook is free (normal price $10)

2) "Learn by example Python bundle" (https://learnbyexample.gumroad.com/l/python-bundle/blackfrid...) is $2 (normal price $12) - three ebooks titled "Python re(gex)?", "100 Page Python Intro" and "Practice Python Projects"

3) "All Books Bundle" (https://learnbyexample.gumroad.com/l/all-books/blackfriday) is $5 (normal price $22) - includes all three Python books mentioned in the bundle above and eight other books on regular expressions and CLI one-liners

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I know a couple of blog posts by indie creators with their own sales and links to other programming deals:

* https://treyhunner.com/2021/11/python-black-friday-and-cyber...

* https://www.blog.pythonlibrary.org/2021/11/24/python-black-f...