🐍 Python JSON Explained | Create & Read JSON File | json.load | Python Basics

Veröffentlicht am: 20 Dezember 2019
auf dem Kanal: Guhan Tech Zone

353

In this video, you will learn Python JSON step by step using simple examples.

We’ll understand:

✔ What is JSON
✔ How to create JSON file
✔ How to read JSON file in Python
✔ json module explained
✔ json.load method
✔ Practical examples

This Python JSON tutorial is specially designed for beginners.

🧠 What is JSON?

JSON means JavaScript Object Notation.

In simple words:

👉 JSON is a lightweight data format used to store and exchange data.

It looks like Python dictionary:
{
"name": "Raja",
"age": 23
}

JSON uses:

✔ key and value
✔ double quotes
✔ curly braces

Mostly used in:

APIs
Files
Data exchange

✅ Creating JSON File
File name: create.json
{
"name": "Raja",
"age": 23
}

Explanation:

name and age are keys

Raja and 23 are values

This is valid JSON format.

✅ Reading JSON File in Python
Python Code:
import json

with open("create.json","r") as x:
res = json.load(x)
print(res)

✅ Step by Step Explanation

1️⃣ import json

Loads Python JSON module.

2️⃣ open JSON file
with open("create.json","r") as x:

Opens create.json in read mode.

with automatically closes file after use.

3️⃣ json.load
res = json.load(x)

Reads JSON data and converts it into Python dictionary.

4️⃣ print result
print(res)

Output:
{'name': 'Raja', 'age': 23}

🧠 Important Note

json.load reads JSON file
json.loads reads JSON string

⭐ Key Takeaways

✔ JSON stores data in key value format
✔ Looks similar to Python dictionary
✔ json module reads JSON
✔ json.load converts JSON to Python dict
✔ with statement auto closes file

⚠ Common Beginner Mistakes

❌ Forgetting import json
❌ Using single quotes in JSON file
❌ Wrong file path
❌ Confusing load and loads

📚 What You’ll Learn

Python JSON
Create JSON file
Read JSON file
json.load
Real examples

🔜 Upcoming Videos

Write JSON File
Update JSON
CSV vs JSON
Mini Projects

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