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()
dG9vbHMgPSBbIkxhYmVsTWUiLCAiVklBIiwgIkNWQVQiXQojIOi+k+WHuuWOn+Wni+WIl+ihqApwcmludCgiPSIgKiA0MCkKcHJpbnQoIuW3peWFt+WIl+ihqCIpCnByaW50KCLliJvlu7rnmoTliJfooajlhoXlrrnkuLrvvJoiLHRvb2xzKQpwcmludCgi5YiX6KGo6ZW/5bqm77yI5bel5YW35Liq5pWw77yJ77yaIiwgICAgbGVuICh0b29scykpCnByaW50KCLnrKzkuIDkuKrlt6XlhbfmmK/vvJoiLCB0b29sc1swXSApCnByaW50KCLmnIDlkI7kuIDkuKrlt6XlhbfmmK/vvJoiLCB0b29sc1stMV0pCnByaW50KCk=