Introduction To Python
Python is an interpreted, high-level, and general purpose programming language. It follows OOPS (Object Oriented Programming) concept to build applications. It was developed to make easier readability of code and helps the developer to build up applications in fewer lines of code. Python is very simplest language in comparison of C, C++ or Java programming language.
History of Python
In 1991, python was discovered by Guido van Rossum at CWI, Netherland. The fact behind the name "Python" is that Mr. Rossum was a fan of one comedy show whoose name is "Monty Python's Flying Circus" from here he picked this name for his newly programming language. The idea of this language has taken from the ABC programming language. We can say that python is a successor of ABC programming language.
Careers With Python
In python, following are the career options
- Data scientist
- Web designer
- Game developer
- DevOps engineer
- Machine learning engineer
- Full-stack developer
- and many more other roles
Features of Python
1). Easy to Use and Simple to Learn: It is easy to learn in comparison of C, C++ or Java programming language. Its syntax is same as the
English language and very straightforward. Now a days, this is very popular language for beginners. In python, no use of braces or
2). Expressive Language: In Python, you can make complex programs in few lines of code. In Java or C when we make hello world program it
takes multiple lines but in python you can ptint this in one line e.g.- print("Hello World").
3). Free and Open Source: Python is open source and free for everyone. Anyone can download python from its official website
www.python.org. Python has a large community in all over the world and they are dedicatedly working towards make new python functions
and modules and functions. The open-source means, "anyone can download its source code at free of cost".
4). Object-Oriented Language: It supports OOPS concepts i.e. rules of classes and objects. It supports polymorphism, data hiding,
abstraction, encapsulation, and inheritace. The OOPS (Object Oriented Programming) concept helps
the developer to write reusable code.
5). Platform Independent Language: Platform independent means you can run pyhton on different platforms such as Windows, Linux, UNIX,
and Macintosh, etc. So, it is also a portable language. with the help of this feature, developer write the code once and run this on I
6). Interpreted Language: It is an interpreted language which means a program is executed one line at a time. The advantage of
this feature is that, it makes debugging very easy.
Uses/Application of Python Programming
- Build a website
- Develop Artificial Intelligence Application
- Audio or Video-based Applications
- Develop a Game
- Able to Perform Scientific Computations
- In Robotics
Limitations For Python
- Not the fastest language
- Mobile Development
Variables In Python
It is an identifier whoose value can change. In python, we can use assignment operator to create or assign a value to a variable. It should be unique in a program, value of a variable can be a number, string or an alphanumeric character.
Rules to write the variable names:
- A variable name must start with an underscore or an alphabet(either capital or small).
- A variable name can consist of alphabet, digit, and underscore, no other character is allowed.
- In a variable name, Spaces not allowed.
- A keyword "python" can not be used as a variable name.
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