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Louis de Bruijn

31-year old Python enthusiast

  • Data Scientist at ING Netherlands

  • Computational Linguistics, University of Groningen

  • Natural Language Processing

    Full stack Web (Python)

  • PySpark

    Sklearn, NLTK, Pandas, Numpy, Scipy

    Flask, Django, Javascript, HTML, CSS

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Knowledge cards for curious minds

Explore Data Science concepts, techniques and insights

Last updated on July 16, 2025

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by Chris van Rooyen
Interior design

View some of the vintage furniture pieces in my house.

Last updated on June 3, 2025

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30th birthday party

It’s time for a party! Put on your fanciest dress, shine your shoes & get ready to celebrate.

Last updated on Nov. 1, 2024

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Spotlight

Because great things deserve a feature

featured No one has seen his face... but everyone ... knows his mark.

Zorro's true identity is Don Diego de la Vega, a young nobleman who lived in Los Angeles, California, during the early 19th century when the area was still under Spanish rule. Don Diego became the swordsman Zorro to defend the people of Los Angeles from political oppression.

How to reverse a list ?

Python code questions 

elements = [1, 'a', 2, 'b', 3, 'c']

elements.reverse() # in-place
reversed(elements) # iterator object
elements[::-1] # list copy, [start:stop:step]