Python for IGCSE CS

Every lesson runs in your browser — write real code, press Run, and the tasks check themselves. Free, no account needed, with translated notes paired with English.

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Lessons in this course

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1. Sequence, input & output 01 · 3 required tasks · ★ Video
2. Variables, constants & data types 02 · 3 required tasks · ★ Video
3. Selection — IF and CASE 03 · 3 required tasks · ★★ Video
4. Iteration — loops 04 · 3 required tasks · ★★ Video
5. Totalling & counting 05 · 3 required tasks · ★★ Video
6. Procedures & functions 06 · 3 required tasks · ★★★ Video
7. Validation & verification 07 · 3 required tasks · ★★ Video
8. 1-D arrays (lists) 08 · 3 required tasks · ★★ Video
9. 2-D arrays 09 · 3 required tasks · ★★★ Video
10. Searching & max / min 10 · 3 required tasks · ★★★ Video
11. Bubble sort 11 · 3 required tasks · ★★★★ Video
12. Text files 12 · 3 required tasks · ★★★ Video
13. Databases & SQL 13 · 5 required tasks · ★★★ Video
14. Boolean logic & truth tables 14 · 3 required tasks · ★★ Video

Language reference

/know/reference/python