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Python is an object-oriented, interpreted computer language. It is characterized by simple, elegant syntax and easy to learn. Born in 1989, developed by Guido (Uncle Turtle). It is an interpreted language and is compiled at runtime.
Advantages of python language
1. As a novice from a major in python, python is very simple and very suitable for human reading. Reading a good Python program feels like reading English, even though the English requirements are very strict! This pseudocode nature of Python is one of its greatest strengths. It allows you to focus on solving problems rather than figuring out the language itself.
2. Easy to learn. Although Python is written in C language, it abandons the very complex pointers in C and simplifies Python's syntax.
3. Python is one of FLOSS (Free/Open Source Software). Simply put, you are free to distribute copies of this software, read its source code, make changes to it, and use parts of it in new free software. Python wants to see a better person create and improve it often.
4. Portability - Due to its open source nature, Python has been ported on many platforms (with modifications to enable it to work on different platforms). If you are careful to avoid using system-dependent features, then all of your Python programs will run without modification on any of the platforms listed below. These platforms include Linux, Windows, FreeBSD, Macintosh, Solaris, OS/2, Amiga, AROS, AS/400, BeOS, OS/390, z/OS, Palm OS, QNX, VMS, Psion, Acom RISC OS, VxWorks, PlayStation, Sharp Zaurus, Windows CE and even PocketPC, Symbian and Google's Android platform based on Linux!
5. Inside the computer, the Python interpreter converts the source code into an intermediate form called bytecode, and then translates it into the machine language used by the computer and runs it. In fact, all this makes using Python simpler since you no longer need to worry about how to compile the program, how to ensure that the correct libraries are linked and reproduced, etc. Since you only need to copy your Python program to another computer and it will work, this also makes your Python program more portable.
6. Python supports both process-oriented functional programming and object-oriented abstract programming. In procedural languages, programs are built from procedures or simply functions that are reusable code. In object-oriented languages, programs are built from objects that combine data and functionality. Compared to other major languages such as C and Java, Python implements object-oriented programming in a very powerful and simple way.
7. Scalability and embeddability. If you need a critical piece of your code to run faster or want certain algorithms to be kept private, you can write parts of your program in C or C++ and use them in your Python program. You can embed Python into your C/C++ programs to provide scripting functionality to your program users.
8. Rich libraries. The Python standard library is indeed huge. Python has definable third-party libraries that can be used. It can help you with various tasks, including regular expressions, document generation, unit testing, threads, databases, web browsers, CGI, FTP, email, XML, XML-RPC, HTML, WAV files, password systems, GUI (Graphical User Interface), Tk and other system-related operations. Remember, all of these features are available as long as Python is installed. This is called Python's "full-featured" philosophy. In addition to the standard library, there are many other high-quality libraries, such as wxPython, Twisted, and the Python imaging library, among others.
9. Python is indeed a very exciting and powerful language. It combines high performance with features that make writing programs easy and fun.
10. Standard code. Python uses forced indentation to make the code extremely readable.
Python prospects
The prospects of Python are still very good, especially when our country is vigorously developing artificial intelligence, and there are many jobs in Python, so you don’t have to Worry.
The following will introduce you to some employment directions in Python:
① web development
Douban, Zhihu, Lagou.com, etc. all use Python, web development The development in China is also very good, because Python’s web development framework is the biggest advantage. If you use Python to build a website, you only need a few lines of code to do it, which is very simple;
② Data mining analysis
Python has a complete ecological environment that is very conducive to data analysis and processing. For example, distributed computing, data visualization, database operations, etc. required for "big data" analysis can all be done through Python. Mature modules are completed;
③ Automated testing
Python accounts for a large part of the day in automated testing. It has a wealth of third-party libraries to meet interface testing, unit testing, web automation and APP automation. , performance testing... covering almost all testing aspects;
④ Web crawler
The first person to use Python to make web crawlers was Google. Python is very easy to use to make crawlers and has a relatively large market share. Nowadays, companies basically use Python to make crawlers;
⑤Artificial Intelligence
Let’s not talk about the development potential and financial prospects of artificial intelligence. This is something everyone knows, but at present, artificial intelligence jobs have relatively high academic requirements, but they are definitely the ones with the most development potential. The direction;
⑥ Automated operation and maintenance
The first group of people who learned Python were those working in operation, maintenance and testing, because Python plays a big role in their work. , because using Python scripts for batch file deployment and operation adjustments has become a very good choice on Linux servers;
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