tools=["LabelMe","VIA","CVAT"]
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()
dG9vbHM9WyJMYWJlbE1lIiwiVklBIiwiQ1ZBVCJdCnByaW50KCI9Iio0MCkKCnByaW50KCLlt6XlhbfliJfooagiKQpwcmludCgi5Yib5bu655qE5YiX6KGo5YaF5a655Li6OiIsdG9vbHMpCnByaW50KCLliJfooajplb/luqbvvIjlt6XlhbfkuKrmlbDvvIk6IixsZW4odG9vbHMpKQpwcmludCgi56ys5LiA5Liq5bel5YW35piv77yaIix0b29sc1swXSkKcHJpbnQoIuacgOWQjuS4gOS4quW3peWFt+aYrzoiLHRvb2xzWy0xXSkKcHJpbnQoKQ==