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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate_json(file):
 """Validate a JSON file."""

    max_file_size = current_app.config.get(
        'PREVIEWER_MAX_FILE_SIZE_BYTES', 1 * 1024 * 1024)
    if file.size > max_file_size:
        return False

    with file.open() as fp:
        try:
            json.loads(fp.read().decode('utf-8'))
            return True
        except:
            return False