方法1：朴素方法 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。 示例代码：# Python 3 code to de ...

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 ...

Python will not replace C and C++, which are “lower-level options” that give the user more control over what is going on in a computer’s processor.