tools=['LabelMe','VIA','CVAT']
print(tools)
print("="*40)
print("工具列表")
print("创建的列表内容为：",tools)
print('列表长度（工具个数）:',len(tools))
print('第一个工具是:',tools[0])
print('最后一个工具是:',tools[-1])
print()
print("=" * 40)
print("工具介绍（使用循环）")
index = 1
for tool in tools:
    description = f"工具：{tool} —— 适用于数据标注"
    print(f"{index}. {description}")
    index += 1
print("\n循环遍历完成！总共输出了", len(tools), "个工具的介绍。")
print("=" * 40)

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