How to Write a JSON File in Python?

By Hardik Savani October 30, 2023 Category : Python

Hey Guys,

I am going to explain to you example of how to write json file in python. I would like to show you python write data in json file. If you have a question about python write json file example then I will give a simple example with a solution. I explained simply about json dump python example. Alright, let us dive into the details.

If you want to write a JSON file from the list in python, then I would like to help you step by step on how to write JSON file in python. python has json library to generate JSON file using python script. we will use open() and json dump() function to write json file.

So, let's see a simple example with output:

You can use these examples with python3 (Python 3) version.

Example 1:

main.py

import json
  
# Create List for write data into json file
data = [
    { "ID": 1, "Name": "Hardik Savani", "email": "hardik@gmail.com"},
    { "ID": 2, "Name": "Vimal Kashiyani", "email": "vimal@gmail.com"},
    { "ID": 3, "Name": "Harshad Pathak", "email": "harshad@gmail.com"}
]
  
# Create Json file with list
with open('data.json', 'w') as f:
    json.dump(data, f, indent=2)
  
print("New data.json file is created from list")

Output:

After run successfully above example, you will see data.json file saved in your root path and file content will be as the below:

[
  {
    "ID": 1,
    "Name": "Hardik Savani",
    "email": "hardik@gmail.com"
  },
  {
    "ID": 2,
    "Name": "Vimal Kashiyani",
    "email": "vimal@gmail.com"
  },
  {
    "ID": 3,
    "Name": "Harshad Pathak",
    "email": "harshad@gmail.com"
  }
]

I hope it can help you...

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