# 定义列表，存储3个常用标注工具名称
tools = ["LabelMe", "VIA", "CVAT"]
# 输出原始列表
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）")
# 使用循环遍历列表中的每个工具
index=1# 增加序号变量
for tool in tools:
    # 生成介绍语句
    description = f"工具：{tool} —— 适用于数据标注"
    # 带序号输出，更清晰
    print(f"{index}. {description}")
    index+=1# 序号递增
# 额外输出循环结束提示
print("\n循环遍历完成！总共输出了",len(tools),"个工具的介绍。")
print("=" * 40)# your code goes here

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