[Getting started with Python 013] yuanzu: A list of things on the shackles

Source: Internet
Author: User

[Getting started with Python 013] yuanzu: A list of things on the shackles

Tuples: list with shackles

Because it is closely related to the list, the actual use of the ancestor and list is very similar.

This section mainly discusses the differences between elements and lists.

Tuples cannot be changed, but cannot be inserted, deleted, or sorted. A list can be changed, inserted, or deleted.

We will discuss and learn from the following points:

Create and access a tuples

Creating a list is mainlySquare brackets "[]"Creating a tuple is not a parentheses,CommaTo create an empty list, you can use a square brackets [], for example, temp = []; To create an empty tuples, you can use a square brackets, for example, temp = ().

 

Example:

 

Update and delete a tuple

A Previously updated string is used to slice it into a new string segment through an existing string.

Note that parentheses and commas are indispensable.

DeleteOne tuples:Del

 

Example:

 

Tuples related operators

The concatenation operator "+" must be of the same type on both sides; the repeated operator "*"; the relational operator <><====; the member operators in and not in; the logical operators and or. Shows an example.

 

 

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