How to parse python lists and arrays
This article shows you how to parse python lists and arrays. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.
The list List is more like an array in JAVA, but it is much more powerful than an array in JAVA. Similar to the ArrayList class, it can save any object and can be dynamically extended as new elements are added.
I.
Define
Li = ["a", "b", "c"]
One thing to note is that the list starts with a 0 subscript! Negative index:
Print li [- 1]
Print out c negative index to access elements by counting forward from the tail of list
II. Slicing
Print li [0:2]
Output: ['a','b'] is equivalent to a value of
0