Python implements sentence reversal

Functional Requirements:

> Given a sentence (containing only letters and spaces), reverses the position of the word in the sentence, divides the word with a space, has only one space between the words, and no space before >.
For example: (1) "Hello Xiao Mi", "Mi xiao Hello"
-Enter a description:
> Input data has multiple groups, one row for each group, including a sentence (sentence length less than 1000 characters)
-Output Description:
> For each test example, it is required to output sentences that are formed after the word reversal in the sentence

-Example 1:

```
-Input
Welcome to Xaut
-Output
Xaut to welcome

The source code is as follows:

Sen = raw_input (' Please enter content:'). Split ()print'. Join (Sen [::-1])

The effect is as follows:

　　　　

Python implements sentence reversal