Pawel Jastrzebski – Medium

Pawel Jastrzebski

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Level Up Coding

You Haven’t Mastered the `Groupby` Yet?

Then you really don’t know Pandas. Let’s change this now!

Jul 16, 2024

You Haven’t Mastered the `Groupby` Yet?

Jul 16, 2024

What Makes a Dev Mostly Laugh and Sometimes Cry

You’re reading it at your own risk 😉!

Apr 4

What Makes a Dev Mostly Laugh and Sometimes Cry

Apr 4

Published in
Level Up Coding

Shapely 101: An Easy Guide on Making Polygons

Learn through following practical examples.

Apr 3

Shapely 101: An Easy Guide on Making Polygons

Apr 3

Published in
Level Up Coding

Shapely 101: A Beginner’s Guide to Points, Lines, and Polygons

An easy intro into geo analysis with Python

Mar 20

Shapely 101: A Beginner’s Guide to Points, Lines, and Polygons

Mar 20

Published in
Level Up Coding

Must-Know Python Data Analysis Tools to Learn in 2025

This is a second article in a 3 part series.

Mar 12

Must-Know Python Data Analysis Tools to Learn in 2025

Mar 12

So I’ve Finally Read the “Atomic Habits”

And here are some thoughts on the book

Feb 20

So I’ve Finally Read the “Atomic Habits”

Feb 20

Published in
Level Up Coding

3 Silly Mistakes to Avoid When Parametrizing Unit Tests

with pytest

Feb 10

3 Silly Mistakes to Avoid When Parametrizing Unit Tests

Feb 10

Published in
Level Up Coding

Transform List of Point Coordinates to Vectors With Ease

A key step for being able to plot the points correctly.

Jan 27

Transform List of Point Coordinates to Vectors With Ease

Jan 27

I’ve Asked Grok to Create Python Logo

Using styles of different painters.

Jan 24

Jan 24

Published in
Level Up Coding

How I’ve Finally Made My First Matplotlib Animation

And now I can teach you how to do it too.

Jan 21

How I’ve Finally Made My First Matplotlib Animation

Jan 21

Pawel Jastrzebski

Pawel Jastrzebski

I use Python 🐍 and Inkscape 🗻 for data viz 🖼 • matplotlib fan • I share tips, tutorials & articles - let me teach you something • Don't be a stranger 👋

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