Why is python called python?

Python is called a crawler because of its scripting characteristics, easy configuration, flexible handling of characters, and rich network crawling modules.

Python crawler development engineer, starting from a certain page (usually the home page) of a website, reads the contents of the webpage, finds other link addresses in the webpage, and then finds the next webpage through these link addresses, and so on, until all the webpages of this website are crawled.

If the whole Internet is regarded as a website, then web spiders can use this principle to grab all the pages on the Internet.

Reptiles, that is, web crawlers, can be understood as spiders crawling on the Internet. The internet is like a big net, and reptiles are spiders crawling around on this net. If it meets prey (the resource it needs), it will grab it.

For example, it is climbing a web page, in which it finds a path, which is actually a hyperlink of a web page, so it can climb to another web page to get data.

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Development of python

Python language has been widely used in system management tasks and Web programming since it was born in the early 1990s.

Python was founded by Guido van Rossum, a Dutchman. 1989 during Christmas in Amsterdam, Guido decided to develop a new script interpreter as the inheritance of ABC language in order to pass the boredom of Christmas.

Python (meaning Python) was chosen as the name of the programming language, which was taken from the TV comedy Flying Circus of Python Troupe, which premiered in Britain in 1970s.

In this way, Python was born in Guido's hands. It can be said that Python developed from ABC, mainly influenced by Modula-3 (another beautiful and powerful language designed for small groups), and combined the habits of Unix shell and C.

Python has become one of the most popular programming languages, and its usage has been increasing linearly since 2004. Python 2 was released in June 2000 10. The stable version is Python 2.7, and Python 3 was released on February 3, 2008, which is not completely compatible with Python 2. ?

Due to the simplicity, readability and expansibility of Python language, more and more research institutions abroad use Python for scientific computing, and some well-known universities also use Python to teach programming courses.

For example, Carnegie Mellon University's programming foundation, MIT's computer science and introduction to programming are all taught in Python. Many open source scientific computing software packages provide Python calling interfaces, such as the famous computer vision library OpenCV, 3D visualization library VTK and medical image processing library ITK.

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