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()
dG9vbHM9WyJMYWJlbE1lIiwiVklBIiwiQ1ZBVCJdCnByaW50KHRvb2xzKQpwcmludCgiPSIgKjQwKQpwcmludCgi5bel5YW35YiX6KGoIikKcHJpbnQoJ+WIm+W7uueahOWIl+ihqOWGheWuueS4uu+8micsdG9vbHMpCnByaW50KCfliJfooajplb/luqYo5bel5YW35Liq5pWwKTonLGxlbih0b29scykpCnByaW50KCfnrKzkuIDkuKrlt6XlhbfmmK86Jyx0b29sc1swXSkKcHJpbnQoJ+acgOWQjuS4gOS4quW3peWFt+aYrycsdG9vbHNbLTFdKQpwcmludCgp