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import json

# Open the input and output files
with open('/home/yiyangai/stephenqs/datasets/wikihow/WikihowText_data.json', 'r', encoding='utf-8') as infile, open('/home/yiyangai/stephenqs/datasets/wikihow/Computers and Electronics.json', 'w', encoding='utf-8') as outfile:
    for line in infile:
        try:
            # Parse the JSON object from the current line
            item = json.loads(line.strip())

            # Apply filtering condition
            if item.get("category_hierarchy") and item["category_hierarchy"][0] == "Computers and Electronics":
                # Write the JSON object as a single line to the output file
                outfile.write(json.dumps(item, ensure_ascii=False) + '\n')

        except json.JSONDecodeError as e:
            print(f"Skipping invalid JSON object: {e}")

print("Extraction complete.")