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To remove a specific field from a JSON file using Python, you can follow these steps:

1. Load the JSON data from the file using the json module's load method.

2. Use the del keyword to delete the specific field from the loaded JSON data.

3. Write the updated JSON data back to the file using the json module's dump method.

Here's an example code snippet to accomplish this:

import json

# Load the JSON data from the file
with open('data.json', 'r') as file:
    json_data = json.load(file)

# Remove the 'field_to_remove' field from the JSON data
del json_data['field_to_remove']

# Write the updated JSON data back to the file
with open('data.json', 'w') as file:
    json.dump(json_data, file)

Note that you will need to replace 'field_to_remove' with the name of the specific field you want to remove from your JSON data.