Intermediate

Files and JSON in Python

Learn to save and load data! Work with text files and JSON.

  • 4.9/5.0
  • 1391 enrolled
  • Intermediate
  • French
Course Description

Learn to save and load data! Work with text files and JSON.

Why save to disk (persistence)

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Read and write text (concepts: open, read, write, close)

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Exercise: diary journal (add a line per session)

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When to use CSV (simple table)

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Read/write tables conceptually

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Activity: quiz score sheet (name, score)

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JSON structure (object / array) — clear analogy

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Save a list of records and reload it

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Guided exercise: save the friends notebook from Course 1

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Readable vs binary formats; choose wisely

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Simple backup and restore (versioning)

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Homework: prepare a small JSON test file for a project

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Edson Bitjoka

Edson Bitjoka

Developer & Instructor

About the instructor

I specialize in data persistence—teaching you how to make your projects durable and reusable.

Student reviews
Manon Dubreuil
Manon Dubreuil

3 days ago

I finally know how to save my game scores! David explains complex concepts simply.

Frequently asked questions

It’s the most widely used data exchange format on the internet. Essential for modern projects and APIs.

Yes! Python handles files universally—whether you’re on Windows, Mac, or Linux.
Files and JSON in Python
Online course: 25 € / hour
In-person course: 35 € / hour
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This course includes

  • Chapters 10
  • Duration 7h
  • Level Intermediate
  • Language French
  • Unlimited access Yes
  • Certificate Yes