Spec 2.1–2.3 · Programming

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Starter lessons

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1. Hello, Python! 2.2 print(), variables, input() and constants – your first programs. 2. Numbers, operators and casting 2.2 Data types, arithmetic operators including DIV and MOD, and casting. 3. Making decisions: selection 2.2 if, elif and else with comparison and Boolean operators. 4. Loops: iteration 2.2 Count-controlled for loops and condition-controlled while loops. 5. String manipulation 2.2 Length, slicing, upper and lower case, ASCII codes and looping through text. 6. Lists (arrays) 2.2 Storing many values in a list, looping through them, and 2D lists. 7. Functions and procedures 2.2 Sub programs with parameters and return values, scope, and random numbers. 8. Robust programs: validation 2.3 Defensive design, input validation, authentication and test data. 9. Reading and writing files 2.2 Opening, writing, reading and closing text files. 10. Searching and sorting in Python 2.1 Code a linear search, a bubble sort and a binary search.