Python curriculum

Start here — the syntax and mental models everything else builds on.

1. 1

   Fundamentals

   ~70 min · 8 lessons

   Write your first program, make decisions, repeat calculations and fix common mistakes.

   variablestypesif / elseloopsdebugging

   • Your first program: values and variablesup next8m
   • Numbers, types and calculations9m
   • Text, indexing and readable output9m
   • Comparisons, booleans and missing values8m
   • Making decisions with if and else8m
   • Repeating work with loops10m
   • Reading errors and fixing mistakes8m
   • Mini-project: sum the even numbers10m
2. 2

   Collections

   ~14 min · 2 lessons

   Keep lists of things and look values up by key.

   listdictsetslicing

   • Lists and loops7m
   • Sets and dictionaries7m

Combine data from several places and reshape it into answers.

1. 1

   Functions

   ~7 min · 1 lesson

   Package logic you can reuse instead of copy-pasting.

   defreturnargslambda

   • Functions7m
2. 2

   Iteration & generators

   ~8 min · 1 lesson

   Loop through data and transform it in one line.

   forcomprehensionsyieldzip

   • Comprehensions and generators8m
3. 3

   Text & files

   ~24 min · 3 lessons

   Parse text, match patterns and read JSON or CSV files.

   splitrejsoncsv

   • String methods7m
   • Regular expressions9m
   • JSON and CSV8m

The techniques that show up in real interviews and real pipelines.

1. 1

   Algorithms for interviews

   ~34 min · 4 lessons

   Solve classic coding-interview questions efficiently.

   hashingtwo pointerssortingBig-O

   • Hash maps and counting9m
   • Two pointers and sliding windows9m
   • Sorting tricks8m
   • Big-O in practice8m
2. 2

   Classes & structure

   ~31 min · 4 lessons

   Structure larger programs and test that they work.

   class@dataclassimporttry/except

   • Classes and objects9m
   • Dataclasses and type hints8m
   • Modules and structure6m
   • Errors and testing8m