10 Python utility codes

The Python language has become an unstoppable trend, and its readability and simplicity are popular with programmers.

The following are 10 program segments, very simple but very practical, programming ability has a good test, you can use more practice.

1, the flip of the string

2, to determine whether the string echo

3, word case

4, string split

5, the strings in the list are merged

6, looking for a string unique element

7, the elements will be repeated

8, list-based extensions

9, expand the list

10, two-value exchange

That's all you need for the 10 Python utility codes compiled for you.