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Today, I will talk to you about the 14 slicing operations in Python, which may not be well understood by many people. in order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article.

Slice is an operation that takes part of the elements and is a unique function in Python. It can manipulate list, tuple, and strings.

The slicing of Python is so flexible that a single line of code can do a lot of things that can be done in a loop. Three parameters of slicing operation [start: stop: step], where start is the start position of the slice, stop is the end position of the slice (not included), step may not be provided, the default value is 1, and step can be negative (for more information, see below)

The following is an inventory of common operations of slicing.

1. The cut element does not include the right endpoint

two。 The left endpoint of the slice is 0, which can be omitted

3. Take one for every two.

4. Reciprocal slicing is supported, and the index of the penultimate element is-1

5. Copy a list as is

6. Both the starting index and the ending index are omitted, that is, they are both default values, as follows, the step size is set to 2 to cut the element

7. One line of code to reverse the list

8. The step size is negative, which actually indicates a reverse iterator. The reverse countdown is as follows, one for every two.

9. It is worth noting that Python does not report errors outside the index range.

10. If step step is 0, an error will be reported.

11. The three parameters of the slicing operation can be expressed with an expression

twelve。 Continuous slicing operation

13. Slicing operation of tuple object

14. Slicing of a string

After reading the above, do you have any further understanding of the 14 slicing operations in Python? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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