What is Python & Why we use it and How it is Popular?

Python Lecture No.1

 

1.What is Python?

2.What can you do with it?

3.Why is it so popular? In other words,

4.What does it do that other programming languages don't?

 

Python is an interpreted high level, general purpose programming language with dynamic semantics by (Guide Van Rossum 1991). Python is used to server side development.

 

Python is the world's fastest growing and most popular programming language, not just amongst software engineers, but also amongst mathematicians, data analysts, scientists, accountants, networking engineers, and even kids! Because it's a very beginner friendly programming language. So people from different disciplines use Python for a variety of different tasks, such as data analysis

and visualization, 

artificial intelligence

and machine learning, automation in fact this is one of the big uses of Python amongst people who are not software developers. If you constantly have to do boring, repetitive tasks, such as copying files and folders around, renaming them, uploading them to a server, you can easily write a Python script to automate all that and save your time. And that's just one example, if you continuously have to work with excel spreadsheets, PDF's, CS View files, download websites and parse them, you can automate all that stuff with Python. So you don't have to be a software developer to use Python.

 

You could be an accountant, a mathematician, or a scientist, and use Python to make your life easier.

 

You can also use Python to build web, mobile and desktop applications as well as software testing or even hacking. So Python is a multipurpose language.

Now if you have some programming experience you may say, "But Mosh we can do all this stuff with other programming languages, so what's the big deal about Python?"

Here are a few reasons. With Python you can solve complex problems in less time with fewer lines of code.

Here's an example. Let's say we want to extract the first three letters of the text Hello World. This is the code we have to write in C# this is how we do it in JavaScript and here's how we do it in Python. See how short and clean the language is? And that's just the beginning. Python makes a lot of trivial things really easy with a simple yet powerful syntax.

Here are a few other reasons Python is so popular. It's a high level language so you don't have to worry about complex tasks such as memory management, like you do in C/C++. It's cross platform which means you can build and run Python applications on Windows, Mac, and Linux. It has a huge community so whenever you get stuck, there is someone out there to help. It has a large ecosystem of libraries, frameworks and tools which means whatever you want to do it is likely that someone else has done it before because Python has been around for over 20 years. So in a nutshell, Python is a multi-purpose language with a simple, clean, and beginner-friendly syntax. All of that means Python is awesome.

 

Technically everything you do with Python you can do with other programming languages, but Python's simplicity and elegance has made it grow way more than other programming languages. That's why it's the number one language employers are looking for. So whether you're a programmer or an absolute beginner, learning Python opens up lots of job opportunities to you. In fact, the average Python developer earns a whopping 116,000 dollars a year.

 

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