Python is a versatile programming language that is easy to learn. It supports multiple programming patterns, including object-oriented, imperative, and functional styles. Python is not limited to a particular area, making it a multipurpose language for web, enterprise, and 3D CAD applications. Python is dynamically typed, so we don’t need to declare data types for variables. This makes development and debugging fast since there is no compilation step involved. The edit-test-debug cycle is quick and efficient in Python.
Python 2. Vs Python 3.
In most of the programming languages, whenever a new version releases, it supports the features and syntax of the existing version of the language, therefore, it is easier for the projects to switch in the newer version. However, in the case of Python, the two versions Python 2 and Python 3 are very much different from each other.
A list of differences between Python 2 and Python 3 are given below:
- Python 2 uses print as a statement and used as print “something” to print some string on the console. On the other hand, Python 3 uses print as a function and used as print(“something”) to print something on the console.
- Python 2 uses the function raw_input() to accept the user’s input. It returns the string representing the value, which is typed by the user. To convert it into the integer, we need to use the int() function in Python. On the other hand, Python 3 uses input() function which automatically interpreted the type of input entered by the user. However, we can cast this value to any type by using primitive functions (int(), str(), etc.).
- In Python 2, the implicit string type is ASCII, whereas, in Python 3, the implicit string type is Unicode.
- Python 3 doesn’t contain the xrange() function of Python 2. The xrange() is the variant of range() function which returns a xrange object that works similar to Java iterator. The range() returns a list for example the function range(0,3) contains 0, 1, 2.
- There is also a small change made in Exception handling in Python 3. It defines a keyword as which is necessary to be used. We will discuss it in Exception handling section of Python programming tutorial.
History Of Python
Python was invented by Guido van Rossum in 1991 at CWI in Netherland. The idea of Python programming language has taken from the ABC programming language or we can say that ABC is a predecessor of Python language.
There is also a fact behind the choosing name Python. Guido van Rossum was a fan of the popular BBC comedy show of that time, “Monty Python’s Flying Circus”. So he decided to pick the name Python for his newly created programming language.
Python has the vast community across the world and releases its version within the short period.
Where is Python used?
Python is a general-purpose, popular programming language and it is used in almost every technical field. The various areas of Python use are given below.
- Data Science
- Date Mining
- Desktop Applications
- Console-based Applications
- Mobile Applications
- Software Development
- Artificial Intelligence
- Web Applications
- Enterprise Applications
- 3D CAD Applications
- Machine Learning
- Computer Vision or Image Processing Applications.
- Speech Recognitions
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