As always, for more information about a Python topic, you can use the built-in help interpreter. For example, Listing 2 shows the start of the help description for the list class.
与往常一样，要获取有关Python主题的更多信息，您可以使用内置的帮助解释器，例如，清单2展示了如何开始list类的帮助描述。
If you look closely at the description for the list class in Listing 2, you'll see that two different constructors are provided. One takes no arguments, and the other takes a sequence class.
如果仔细观察清单2中对list类的描述，您会看到其中提供了两个不同的构造函数：一个没有参数，另一个接受一个序列类作为参数。
If you look closely at the description for the list class in Listing 2, you'll see that two different constructors are provided. One takes no arguments, and the other takes a sequence class.
如果仔细观察清单2中对list类的描述，您会看到其中提供了两个不同的构造函数：一个没有参数，另一个接受一个序列类作为参数。
应用推荐