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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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Apps

recipes
Recipes

All the recipes I love, their ingredients and instructions.

Last updated on Jan. 5, 2026

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party
Data Science

Knowledge cards for curious minds: explore machine learning concepts, techniques and insights.

Last updated on Oct. 10, 2025

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Medium stories

Here you will find all the links to stories that are stuck behind the paywall on Medium.

Last updated on July 22, 2025

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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]