Python for devops

• The shell script is generally used for OS automation and Python was developed for OS automation but even after the obsolete Amoeba OS Python continues to be a useful tool for the automation of daily activities of IT professionals such as DevOps engineers.

• Python is popularly known for its easy-to-learn and easy-to-write code, people familiar with c and c++ the universal language for OS

• automation know it as having few crashes at the automation layer whereas Python is a powerful tool for automation.

Python - a high-level language.

• Python is among the programming language that falls under the category of high-level, interpreted language a high-level language is a kind of language that can't be understood directly by a machine.

• Machines are designed to read machine code, first it is converted to bytecode and then machine code before then the program can be executed.

• For example java or c++ it needs to be compiled into an executable then it gets executed, whereas in pyton compilation step will be skipped and directly run the code.

Python - Easy to read

• Python is known for its easy-to-read syntax. python reads almost like plain English, making it easy to write.

• For beginners, it's one of the best languages to learn and start a career.

Python summary

• Interpreted

• Platform independent

• free and open source

• high-level language

• Simple to learn

• robust

• rich library support

Why learn python

• Python is a widely used multi-purpose, high-level programming language, which allows programming in object-oriented and procedural paradigms.

• In comparison to other programming languages like java or .net, python are smaller programs.

• programmers have to type relatively less and the indentation requirement of the language, make them readable all the time.

• As DevOps engineers, we use python for DevOps in terms of automation, continuous integration/deployment/delivery CI/CD and custom auto-scaling solutions.

• For a DevOps engineer, python plays a key role, some companies prefer to have a code session where devops engineer code testing skills are tested.

Python - Version

• It has had several major updates in the past python 2.7 was widely used for a very long time even after the release of the newer version.

• However, python 2.7 has been deprecated as of Jan 2020, replaced with Python 3.xx version

It is recommended to keep up with the latest tech, use Python 3. xx version