Python comes with a collection of built-in data types that make common data-wrangling operations easy. Among them is the list, a simple but versatile collection type. With a Python list, you can ...

这种方式是在遍历整个list的基础上，将第一个出现的元素添加在新的列表中。 这种方式实际上是第一种方法的简化版，它利用列表解析式，使用一行代码就可以替代上面的循环方式。 这种方式是最流行的方法来 ...

Python 2 and Python 3, the two versions of the programming language in widespread use, include a function called shuffle that can randomize a list or another sequence of data.