Pretty-Print JSON Data to a File using Python

Pretty-Print JSON Data to a File using Python

To pretty-print JSON data to a file using Python, you can use the json module along with the json.dump() function. Here's an example of how to do it:

import json # Sample JSON data data = { "name": "John", "age": 30, "city": "New York" } # Specify the filename where you want to save the JSON data file_name = "output.json" # Open the file in write mode and use json.dump() to pretty-print the data with open(file_name, "w") as json_file: json.dump(data, json_file, indent=4) print(f"JSON data has been pretty-printed to {file_name}.")

In this example:

  1. We import the json module.

  2. We define a sample JSON data structure in the data dictionary.

  3. We specify the filename where we want to save the JSON data using the file_name variable.

  4. We open the file specified by file_name in write mode using a with statement. This ensures that the file is properly closed when done.

  5. We use the json.dump() function to pretty-print the data dictionary into the opened file. The indent=4 argument specifies that we want to use an indentation of 4 spaces for formatting.

  6. Finally, we print a message to confirm that the JSON data has been pretty-printed to the file.

After running this code, you will have a file named "output.json" in the current working directory containing the JSON data in a human-readable, indented format.

Remember to replace the data dictionary with your own JSON data, and you can change the file_name variable to specify the desired output file name and path.

Examples

  1. How to pretty-print JSON data to a file using Python?

    • Description: This query is about formatting JSON data in a human-readable way and then saving it to a file using Python.
    import json data = {"name": "John", "age": 30, "city": "New York"} with open("data.json", "w") as json_file: json.dump(data, json_file, indent=4)

  2. Python JSON file formatting

    • Description: This query seeks information on how to format a JSON file properly for readability.
    import json with open("data.json", "r") as json_file: data = json.load(json_file) formatted_data = json.dumps(data, indent=4) print(formatted_data)

  3. How to save JSON data to a file with indentation using Python?

    • Description: This query asks for a method to save JSON data to a file with indentation for better readability.
    import json data = {"name": "Alice", "age": 25, "city": "London"} with open("output.json", "w") as json_file: json.dump(data, json_file, indent=4)

  4. Python write JSON to file with proper indentation

    • Description: This query focuses on writing JSON data to a file with appropriate indentation using Python.
    import json data = {"name": "Bob", "age": 35, "city": "Paris"} with open("output.json", "w") as json_file: json.dump(data, json_file, indent=4)

  5. How to format JSON output in Python?

    • Description: This query aims to understand the process of formatting JSON output in Python for better readability.
    import json data = {"name": "Emily", "age": 28, "city": "Berlin"} formatted_data = json.dumps(data, indent=4) print(formatted_data)

  6. Python code to pretty-print JSON data

    • Description: This query is looking for Python code that can pretty-print JSON data for easier human consumption.
    import json data = {"name": "David", "age": 40, "city": "Tokyo"} formatted_data = json.dumps(data, indent=4) print(formatted_data)

  7. How to nicely format JSON in Python?

    • Description: This query seeks a method to neatly format JSON data using Python.
    import json data = {"name": "Grace", "age": 22, "city": "Sydney"} formatted_data = json.dumps(data, indent=4) print(formatted_data)

  8. Python code for writing JSON to file with indentation

    • Description: This query asks for Python code to write JSON data to a file with proper indentation.
    import json data = {"name": "Frank", "age": 33, "city": "Moscow"} with open("output.json", "w") as json_file: json.dump(data, json_file, indent=4)

  9. How to format JSON output nicely in Python?

    • Description: This query is about formatting JSON output in a visually appealing way using Python.
    import json data = {"name": "Sophia", "age": 29, "city": "Seoul"} formatted_data = json.dumps(data, indent=4) print(formatted_data)

  10. Python code for pretty-printing JSON to a file

    • Description: This query is looking for Python code to pretty-print JSON data and save it to a file.
    import json data = {"name": "Liam", "age": 31, "city": "Beijing"} with open("output.json", "w") as json_file: json.dump(data, json_file, indent=4)

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