Everything you need to know to get started with Python

If you are new to programming then Python is probably one of the best languages ​​to start and it will continue to be effective later.

Python may seem like a recent development but at the moment it is 20 years old. The first release of Python 1.0 went back to 1994. Even the Python 2 series, the most influential version of Python to date, was released in 2000. The language was created by Guido van Rossam and he continues to play a central role. In its development. Python is currently in a bizarre situation where the most popular version of the language is the Python 2 variant, despite the availability of Python 3 since 2008. Python 2 got its final major release in 2010 with the release of Python 2.7 and it will only be. Bug fix from here. Python 3 itself will be released next year with 3.5 currently on 3.4.

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Guido van Rossum, the creator of Python, worked for Google when they launched Google App Engine with Python support. He now works for Dropbox.

The choice for Python 2 is that Python 3 breaks compatibility with Python 2 code. Python 3 was a major update to the programming language and the developers took the opportunity to modernize the language in various ways and get rid of the weak decisions made in the past.
Syntax differences between Python 2 and 3 Most of the Python libraries did not immediately support it and some still do not. While there is an automated tool for converting Python 2 code to Python 3 code, it does not work in all cases. As the Python 3 gains new and enticing features, the tides are slowly changing and more libraries are being ported to it. To make this process easier, Python 3.3 has brought the syntax closer to 2 and made it easier to adapt the code to both versions. While this may seem like a very different language, they are not, in fact, the nature of the changes that caused these problems, rather than their intensity or quantity.

Speaking of out-of-the-way versions, let’s look at the language itself, which is obsolete in many ways. Python uses a different approach to structuring code, rather it refers to blocks of code with curly braces {,, it uses whitespace indentation. Most languages ​​keep the code format apart from the syntax, which means you can probably run into dozens of different coding styles and arguments that are good at it. Python makes indentation part of the language resulting in more consistent code.
Python has a basic philosophy, and the more you code in Python, the more you will understand which makes a particular code more or less ‘Pythonic’. Longtime Python developers can be said to have got ‘The Gene of Python’. You can read ‘The Gene of Python’ on their website or type ‘import this’ into the Python console.


Probably the biggest strength of Python is its simplicity. It is easy to enter. Python is widely used, it is present by default when you run OSX. The same is true of most Linux distributions. Installing Python on Windows is not difficult.
When you reach the limit of what can be accomplished using Python’s built-in library, the package contains an extensive ecosystem to explore. PyPI or Python Package Index is a website that lists all the Python packages submitted to it. This list of packages is accessible from the command line, including `easy_install` and` pip`, which allows you to search this indicator, download packages, and update them as needed. You can list all the packages you want for your project in just one text file and `pip` can install them automatically. Python packages are diverse, with libraries integrating with APIs, GUI programming frameworks, mathematical and biological calculations, web frameworks, and more.

If your designs are more tenant, you’ll be happy to know that there is a healthy demand for Python programmers and it has been ranked # 8 or higher on the TIOBE Programming Community Index for many years. It is used by major companies like Google – where its creators worked until 2012 – and scientific research companies like CERN. A popular video hosting website called YouTube has also been created in Python, and it is also used behind the scenes in other Google products. Dropbox also uses Python and actually currently employs Guido. Another high-traffic website, built on Reddit Python, is actually open source. The popular Discus Commenting Platform is also built on Python using the Django Framework. Many popular applications – 3ds MAX, Maya, GIMP among others – support Python to automate applications or create plugins.

Oh world

print(”Hello, World”)
It’s harder to do simple things than that, and Python often makes things as easy as possible.


def insertion_sort(ulist):

idx in range(1, len(ulist)):

     curr_value = ulist[idx]

     pos =

     while pos > 0 and ulist[pos - 1] > curr_value:

         ulist[pos] = ulist[pos - 1]

         pos -= 1

     ulist[pos] = curr_value

Python code Many Python programmers tend to self-register with the tendency to use long variables and function names in the Snake case instead of the Camelcase.
Of course, the code above does not need to be written in Python because it comes with a built-in function called sort. Python sorting occurs for the implementation of an excellent sorting algorithm that was invented for Python itself. It is called TimSort after the name of its inventor Tim Peters and it is widely used.

Tools and Learning Resources

You will be forgiven for believing that a large part of the Internet was actually made up of Python tutorials. Still, Mark Pilgim’s “Dive in Python” and “Dive in Python 3” are great introductory texts. Another great book is “Think Python: How to Think Like a Computer Scientist”. It is also available for free here. The people at Interactive Python have transformed the above book into an interactive online version that allows you to run code samples and run your own code in the browser. Browser-based tools for Python are plentiful now, thanks to a JavaScript ‘port’ Skulpt from Python Interpreter. You can run basic Python code online here and here. There are also some special Python-based online tools available. Morph.io lets you write Python Scraper to extract data from other websites; PythonAnywhere focuses on hosting Python code, and Wakari lets you do scientific computing using Python.

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You should definitely choose the interactive version of it Book unless you have a very slow computer or internet connection.

When it comes to scientific computing, packages like NumPy allow one to perform a wide range of mathematical operations, SymPy allows for symbolic mathematics, Pandas is great for data manipulation, and Mattplotlib is great for plotting data.
Although one of the biggest tools is probably IPython, an advanced Python shell that integrates well with the above so you can show plots embedded in your Python console. The IPython notebook lets you create interactive documents with a rich mix of text, plots and calculations.
There are even special versions of Python that are pre-installed with these packages, such as Enthought’s Canopy, Continuum Analytics’ Anaconda, and Python (x, y).

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Widge mode of the online Python IDE CodeSkulptor lets you visualize your Python code running.

When it comes to special editions, it’s important to remember that the Python installers at python.org are just an implementation of the Python language. The three implementations mentioned above bundle tons of scientific tools with Python, then there is Eigenx Python which is a single X! There is also a complete re-implementation of Python. JPython, for example, is a Python interpreter that runs on Java VM and can access Java functionality. Similarly, you have IronPython which runs on .NET. The most interesting is PyPy, a Python implementation that was originally written in Python. Now this is a JIT compiler – the kind you find for JavaScript in modern browsers – for Python. In many cases it works significantly faster than standard Python implementation. We will never forgive ourselves if we do not mention VirtualNev, a very popular package for Python that makes apps easier. It allows you to create virtual Python environments that allow you to develop and test your code in a clean environment that is not tarnished by all the Python packages you install worldwide.

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