Python Basics · Final Project · Lesson 34 of 36
Planning Your Python Project
Concept
Planning Your Python Project
Decide what data your project needs, such as a list or a dictionary, and sketch the functions before coding.
Choosing the right data structure up front — a list for order, a dict for lookup by key, a set for uniqueness — makes the rest of the project noticeably easier to write.
By the end of this lesson
- Explain the core idea behind Planning Your Python Project.
- Predict output before running a change.
- Test one realistic and one unusual input.
- Use the result to make the next decision.
How to study this page
- 1. Read one concept.
- 2. Change the example.
- 3. Run, compare, and explain.
- 4. Complete the challenge below.
ExampleRunnable
# Project: Contact book
# Data: list of dictionaries with name and phone keysSelf-check before continuing
Without looking at the example, describe what changes when you modify one input in Planning Your Python Project. Then reopen the editor and prove your explanation with a small test.
You are ready to continue when you can predict, test, and explain the result.
Your turn
Write a plan, as comments, for a small Python project of your choice.
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