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Leandros Georgiou

Self-taught programmer working towards becoming an AI engineer. I build things from scratch in Python to understand how they really work, then explain them in plain English.

Joined on Sep 13, 2026

Leandros Georgiou

Nov 3

I built a hash map from scratch (and now I know why dictionaries are fast)

#algorithms #computerscience #datastructures #python

4 min read

Leandros Georgiou

Oct 20

BFS vs DFS explained with one small graph

#algorithms #computerscience #programming #tutorial

4 min read

Leandros Georgiou

Sep 22

Big-O explained simply

#algorithms #beginners #computerscience #python

3 min read

Leandros Georgiou

Sep 19

I built a task tracker as my first real Python project

#showdev #beginners #python #sideprojects

4 min read

Leandros Georgiou

Sep 14

Coming from Java: functions are values in Python

#beginners #java #learning #python

2 min read

Leandros Georgiou

Sep 13

Linear algebra explained simply: how to calculate the dot product

#beginners #learning #tutorial

1 min read

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