5 Python JSON
1. What is JSON?
JSON stands for JavaScript Object Notation.
In simple words:
👉 JSON is a text format
👉 Used to store and share data
👉 Very popular in web APIs and apps
JSON looks like a Python dictionary.
2. JSON vs Python Dictionary
| JSON | Python |
|---|---|
| Text format | Programming object |
| Uses double quotes | Can use single or double quotes |
| Used for data transfer | Used in programs |
3. JSON in Python
Python has a built-in module called json to work with JSON.
Import JSON Module
4. Convert Python Dictionary to JSON (json.dumps())
Example
5. Convert JSON to Python Dictionary (json.loads())
Example
6. Write JSON to a File (json.dump())
Example
7. Read JSON from a File (json.load())
Example
8. Pretty Print JSON (indent)
Example
9. JSON with List
Example
10. JSON with Boolean and Null
Example
JSON Output:
11. Common Beginner Mistakes
❌ Forgetting Quotes in JSON
❌ Invalid JSON.
✔ Correct:
❌ Using loads() Instead of load()
❌ Error.
✔ Correct:
12. Simple Practice Examples
Example 1: Convert List to JSON
Example 2: Read Name from JSON
Example 3: Save User Data
13. Summary (Python JSON)
✔ JSON is data format
✔ Used in web and APIs
✔ json.dumps() → Python to JSON
✔ json.loads() → JSON to Python
✔ Files handled with dump() and load()
📘 Perfect for Beginner eBook
This chapter is ideal for:
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Python beginner books
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School & college students
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Self-learners
If you want next, I can write:
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File Handling
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Exception Handling
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API Requests
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Mini Python Projects
Just tell me 😊
