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Python :  Ruling  Language  in  2020

Python is a server-side programming language that can help you to cover all the aspects of machine learning with it and save your time. As Python is becoming popular in today’s worldwide and in the most demand in this digital world. It is necessary to know about the Python & so we are discussing Python in today's blog.

So What is Python?

Python is an open source, object-oriented popular programming language that was created in 1991.The best thing about python is that you can use it for everything from web development, to data science and data visualisation, to games development, and DevOps, without having to start at ground zero and implement your own code for everything.

Python is used for:

  • web development (server-side),
  • software development,
  • mathematics,
  • system scripting.

  • Web development (Server-side): Python can be used on a server to create web applications.It is server-side scripting language.

    Software Development : We can use python for software development, games development etc.

    Mathematics : You can have some fun with python by using it in mathematics. You can add two numbers by taking them into variables. The syntax just oftentimes feels more simple and common-sense, like when you're new to programming.

    System Scripting : Python is a scripting language and it has simple syntax to learn and use.

    Why Python?

    Simple syntax with Open Source: Python has a simple syntax similar to the English language.It is open source scripting language & also pretty cool to learn.It’s syntax uses fewer lines to code.

    Big companies use it: Huge companies use it. NASA, Google, tons of companies out there use it because it's widely supported.

    Different Platform: Python works on different platforms (Windows, Mac, Linux, Raspberry Pi, etc).

    Quick Prototyping: Python runs on an interpreter system, meaning that code can be executed as soon as it is written. This means that prototyping can be very quick.Python can be treated in a procedural way, an object-orientated way or a functional way.

    How do you run Python?

    You've hopefully downloaded Python as a programming language on your computer. But now you need to run it somewhere. Where does that live?

    Many PCs and Macs will have python already installed.

    To check if you have python installed on a Windows PC, search in the start bar for Python or run the following on the Command Line (cmd.exe):

    C:\Users\Your Name>python --version

    So the first thing that you do is you open up the terminal and just type in "python --version." You should see a readout of the version that you downloaded for your computer. That's awesome. If you find that you do not have python installed on your computer, then you can download it for free from the following website: https://www.python.org/

    Python is an interpreted programming language, this means that as a developer you write Python (.py) files in a text editor and then put those files into the python interpreter to be executed.

    The way to run a python file is like this on the command line:

    C:\Users\Your Name>python helloworld.py

    Where "helloworld.py" is the name of your python file.

    Let's write our first Python file, called helloworld.py, which can be done in any text editor.

    Simple as that. Save your file. Open your command line, navigate to the directory where you saved your file, and run:

    C:\Users\Your Name>python helloworld.py

    The output should read:

    Hello, World!

    Python Indentation:

    Indentation refers to the spaces at the beginning of a code line. Where in other programming languages the indentation in code is for readability only, the indentation in Python is very important. Python uses indentation to indicate a block of code.

    Example:- if 5 > 2:

     print("Five is greater than two!")

    Python will give you an error if you skip the indentation:

    Example:- Syntax Error
    if 5 > 2:

    print("Five is greater than two!")

    The number of spaces is up to you as a programmer, but it has to be at least one.

    Example:- if 5 > 2:

     print("Five is greater than two!")

    if 5 > 2:

        print("Five is greater than two!") 

    You have to use the same number of spaces in the same block of code, otherwise Python will give you an error.

    So you have to understand what Python is and what people are using it for, From where you can learn it completely. Well, IT Training Classes is really a good resource for learning python. ITC is the best python training institute in gurgaon.

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