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def read_file_from_current_path(filename):
    # 显示当前路径
    current_path = os.getcwd()
    print(f"当前路径是：{current_path}")

    # 检查文件是否存在
    file_path = os.path.join(current_path, filename)  # 也可以直接使用文件名，如果文件在当前工作目录下
    if os.path.exists(file_path):
        print(f"{file_path} 存在。")
    else:

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    unique_names = []
    with open(unique_names_file, 'r', encoding='utf-8') as f:
        reader = csv.reader(f)
        for row in reader:
            if BUS_NUM != int(row[2]):
                continue
            unique_names.append(row)
    print(unique_names)