tools=["labelme","via","cvat"]
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()
dG9vbHM9WyJsYWJlbG1lIiwidmlhIiwiY3ZhdCJdCnByaW50KCLliJvlu7rnmoTliJfooajlhoXlrrnkuLo6Iix0b29scykKcHJpbnQoIuWIl+ihqOmVv+W6pijlt6XlhbfkuKrmlbApOiIsbGVuKHRvb2xzKSkKcHJpbnQoIuesrOS4gOS4quW3peWFt+aYrzoiLHRvb2xzWzBdKQpwcmludCgi5pyA5ZCO5LiA5Liq5bel5YW35pivOiIsdG9vbHNbLTFdKQpwcmludCgp