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()
dG9vbHM9WyJMYWJlbE1lIiwiVklBIiwiQ1ZBVCJdCnByaW50KCI9IiAqIDQwKQpwcmludCgi5bel5YW35YiX6KGoIikKcHJpbnQoIuWIm+W7uueahOWIl+ihqOWGheWuueS4uu+8miIsdG9vbHMpCnByaW50KCLliJfooajplb/luqbvvIjlt6XlhbfkuKrmlbDvvInvvJoiLGxlbih0b29scykgKQpwcmludCgi56ys5LiA5Liq5bel5YW35piv77yaIiwgdG9vbHNbMF0gKQpwcmludCgi5pyA5ZCO5LiA5Liq5bel5YW35piv77yaIiwgdG9vbHNbLTFdKQpwcmludCgp