List Comprehensions in Python|Extension for 0478, 9618, OCR|PPT|Worksheet|Activity|MCQ|Mark Scheme

List Comprehensions in Python: Programming Extension Bundle (Cambridge IGCSE 0478, AS & A Level 9618, OCR GCSE & A Level)

Help your strongest programmers write shorter, cleaner Python. This ready-to-teach bundle shows students how to replace multi-line loops with a single readable line. It is ideal for stretch, enrichment and practical programming work.

Please note: list comprehensions are not a required topic in the Cambridge 0478, Cambridge 9618 or OCR specifications. This is a programming-skills extension that supports Python coding tasks (for example Cambridge Paper 2 and Paper 4 practical work, and OCR Paper 2 and NEA programming). It is not a syllabus-coverage pack.

What’s included

PowerPoint presentation: step-by-step explanations, worked examples and comparisons of loop versus comprehension
Worksheet: graded tasks from simple comprehensions to filtering and transforming data
Hands-on activity: a practical challenge where students refactor loop-based code
MCQ quiz: quick questions for starters, plenaries or checking understanding
Full mark scheme: answers and explanations for every task

Topics covered

What a list comprehension is, and why it is useful
Basic syntax: [expression for item in iterable]
Using range() and existing lists as the source
Adding conditions with if to filter items
Transforming values, such as squaring, converting case and calculating totals
Rewriting for loops as comprehensions, and the reverse
When a loop is clearer than a comprehension
Common errors and debugging

Why teachers like it

Zero prep: download and teach
Differentiated tasks that stretch confident students
Supports the Python skills students need for practical programming tasks
Fully editable
Works for enrichment, homework, clubs and cover lessons

Suitable for

Teachers of Cambridge IGCSE Computer Science (0478), Cambridge AS & A Level (9618), OCR GCSE (J277) and OCR A Level (H446), and any KS4/KS5 or beginner-to-intermediate Python course.

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