How to check Python version?

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The process of checking Python version is very simple. You can check it in a couple ways. First, you can check it via the terminal in Linux or Mac OS X. Second, you can check it via the Python shell. Or you can use both. There are several steps to be followed, all of which are easy and simple.

Python is a powerful and flexible programming language that is widely used in a variety of domains due to its simple syntax and readability. It is a great language for beginners to learn programming with and has a number of useful features that makes it an excellent choice for developing applications, scripting, and doing other tasks on a computer. One of the most common things new Python users want to learn is how to check the version of Python that they are running.

Python is one of the most popular and easiest to learn programming languages in the world. This language can be used for everything: Website development, scripting, machine learning, data analysis, AI implementation, etc.

However, there are two main versions of Python. The obsolete and disbanded Python2, which was an important branch of Python for a while, and the newer Python3, a more recent version.

In this article, we will see how to check which version of Python you are using.

Also read : How do I start Python in the terminal?

Before we go to check which version of Python you have installed, let’s understand a little bit what Python versions mean.

Python uses semantic versioning, which means that production-ready versions are versions of Major.Minor.Micro.

For example, the latest version of Python, Python 3.9.2, was released on the 19th. February 2021, three digits in the version number. The symbol 3 corresponds to the large version, 9 to the small version and 2 to the micro version.

This is what they mean.

  • Base: The major versions are those in which the biggest changes are made. The major versions of Python are not compatible with each other.
  • Smaller versions: The minor versions bring new features and functionality to the language.
  • Mic: Micro versions are often simple bug fixes and improvements.

You can read the Python development cycle documentation for more classifiers.

Also read : How are strings split in Python?

It’s pretty easy to check the current version of Python on your machine. Just open a Python terminal and type the following command.

python –version

Or

python -V

Or

python -VV

This will display the default version of Python on your machine. This version is defined in the /usr/bin/python interpreter.

If you have installed Python2 and Python3 on your system at the same time, you can check the version of Python3 by entering the following command

python3 –version

Checking the version of Python in scripts

Since Python2 and Python3 are two different main versions, scripts written for one version will not work under the other. A good development practice is to set up a little version control in your script before you start any serious operation.

This can be done using the sys.version_info function in the sys module. This function returns a tuple with the major, minor, micro, version level and serial numbers.

If you z. B. write a script that requires Python 3.7 or later to run, you could run the check as follows.

Input system

if not (sys.version_info.major == 3 and sys.version_info.minor >= 7) :
print(This script requires Python 3.5 or higher !)
print(You are using Python {}.{}..format(sys.version_info.major, sys.version_info.minor))
sys.exit(1)

This snippet now terminates the program if the default version of Python on the machine it is running on is lower than 3.7.

Also read : How do I get the current working directory in Python?

Someone who writes, edits, films, presents technology programs and races virtual machines in their spare time. You can contact Yadullah at [email protected] or follow him on Instagram or Twitter.

This source has been very much helpful in doing our research. Read more about how to check python version in jupyter notebook and let us know what you think.

Frequently Asked Questions

How do I know my python version?

You just learned that great new version of Python and you want to know what version of Python you have. This is a guide on how to figure out what version of Python your computer is set up to use. The steps are the same whether you are on a Mac or a Windows machine. The first thing you should do is type “python” into the terminal or cmd box. This will bring up an annoying window that will tell you what version of Python you are using. The annoying part is that it will also tell you what “version” it is, while the version is just a number. This number is a two digit number. It is a major version number with a minor version number after it. To find out what version of Python your Even though it is quite easy to check what version of python you are running on your system, a lot of people still seem to be confused about it. This confusion seems to be especially prevalent in beginners who are unsure about what to search for and how to find it. Here are the basic steps to finding what python version you are running on your Mac.

How do I know if I have Python 3.7 installed?

Python 3.7 is the latest version of Python to be released, and the one that has been available for the longest time now. While it has been available for a while, it is still a relatively new version and not all users have switched to it yet. You may be wondering how you know if you have it installed on your system. The best way to find out is to run the command below in a terminal window. Python, as a programming language, has been around for over two decades. It’s used by thousands of developers and programmers across the world, and while it’s easy to learn, it’s also powerful enough to handle complex tasks and operations. In the past, as you may have heard, Python 2 had to be installed on your computer. However, in the past several years, a new version of the Python language has been released–Python 3. It’s a different version than Python 2, but it’s easy to learn and use. It’s an even better version of Python, and there are several reasons why you should consider using it on your Mac.

What is the current version of Python?

Python has become one of the most widely used programming languages in the world. It was originally created by Guido van Rossum in 1991 and has since grown to be an incredibly powerful tool for developing applications. It is currently on its fourth major version, Python 3, which was released in 2008. Although Python 3.x has been around for quite a while, it is still important to know which version of Python your code is using. Python is a general-purpose high-level programming language that is quite easy to learn if you already know the basics of programming. Despite being low-level, it is fully object-oriented (OO). Python supports multiple programming paradigms, including functional, object-oriented, and imperative. The language features many high-level built-in data structures and operators, and has a very simple syntax for defining new data types.

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