# 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[-1] )
print("最后一个工具是:", tools[-1])
print()
# your code goes here
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