A follow-up lesson on turning repeated code into reusable functions inside the Pet Services project.
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Year 9
Everything currently tagged Year 9 across Chips’nCode.
An explanation of what functions solve and how they improve structure, reuse, and readability in the Pet Services project.
A lesson on reducing repetition and structuring code into reusable functions.
A lesson on reading tracebacks, isolating problems, and using a reliable debugging routine.
A lesson on storing collections of values and presenting them clearly in summaries.
A structured review page for testing the program, giving useful feedback, and identifying concrete improvements.
A teacher-style walkthrough showing how planning and decision logic translate into a complete Pet Services solution.
A lesson on repetition, validation, and structuring repeated actions in Python.
A practical guide to mapping program logic with Mermaid before translating it into code.
An introduction to conditional logic and decision-making in Python programs.
The main build lesson for turning the Pet Services plan into a working Python booking system.
A lesson on collecting user input, converting types correctly, and using what the user enters.
An introduction to strings, numbers, and boolean-style thinking through the Explorer build.
The central mini-project sequence for planning, building, reviewing, and refining a Python booking system.
A planning lesson focused on user needs, design choices, and mapping logic before coding begins.
A lesson focused on storing information and reusing it clearly through variable names.
An introduction to output and the cycle of writing, running, and checking Python code.
The central chapter hub for the Explorer sequence across output, variables, input, logic, loops, lists, functions, and debugging.
The opening Explorer chapter introducing what code is and what it means to make a simple Python program run.
A guided first coding task focused on output, input, menus, and building confidence from a blank file.
An introduction to naming, readability, and deliberate structure for beginner Python code.
A practical Python lookup page for syntax, structures, common errors, and worked examples.
A quick setup guide for installing Thonny and getting a reliable Python environment ready.
An overview of the Year 9 Python unit, with setup, lesson pathways, and the core project sequence.