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This article mainly introduces "how Python operates XML files". In daily operation, I believe many people have doubts about how Python operates XML files. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the doubts of "how Python operates XML files". Next, please follow the editor to study!

1. An overview of the basics of XML 1. What is XML?

XML (Extensible Markup Language): extensible markup language. Xml is an important tool for Internet data transmission. It can cross any platform of the Internet without the restriction of programming language. It can be said that it is a data carrier with the highest-level pass of the Internet. Xml is a very powerful technology in dealing with structured document information. Xml helps to shuttle structured data between servers, which makes developers more handy to control the storage and transmission of data.

Xml is a structural markup language for marking electronic documents. It can be used to mark data and define data types. It is a source language that allows users to define their own markup language. Xml is a subset of the Standard Universal markup language (SGML) and is well suited for Web transport. XML provides a unified approach to describing and exchanging structured data independent of applications or vendors.

2. The characteristics and functions of XML.

Features:

Xm | regardless of the development platform of the programming language

Realize the data exchange between different systems.

Function:

Configure applications and websites

Data interaction

Ajax cornerstone.

3. XML file format

Statement

Root element

Child element

Attribute

Namespace

Qualified name

Like HTML, XML is another markup language that stores data between tags. It is human-readable and extensible; that is, we are free to define our own tags. The attributes, elements, and tags in XML are similar to those in HTML. XML files can be declared or undeclared. However, if it has a declaration, it must be the first line of the XML file. Such as:

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