Summary: To accept valid inputs from the user either use a While Loop With Custom Validations or use the PyInputPlus module to avoid tedious validation definitions. You can also use recursion to prompt the user for entering the valid input. Overview Problem: Given a user input; accept the input only if it is valid otherwise … Read more
Today, let’s discuss something that’s all over the place in many code bases: what does if __name__ == ‘__main__’ do in Python? The statement if __name__ == ‘__main__’: checks if variable __name__ is set to the string value ‘__main__’ which holds only within the main source file from which you initially execute your code. In all other … Read more
Q: What’s the object-oriented way to become wealthy? A: Inheritance. ? Your vocabulary determines the reality of your life. In this tutorial, I have compiled the most essential terms and concepts of object-oriented programming in Python. My goal was to create the best Python OOP cheat sheet that shows them in one place. Well – … Read more
When teaching the Finxter Python students, I’m often shocked how even intermediate-level coders do not understand the very basic foundations of computer science. In CS, there’s almost nothing as fundamental as a simple, plain byte. (You know, that sequence of 0s and 1s called bits). This tutorial aims to clarify some misconceptions and questions regarding … Read more
Python objects have an attribute called __doc__ that provides a documentation of the object. For example, you simply call Dog.__doc__ on your class Dog to retrieve its documentation as a string. You can define the docstring using a string surrounded by triple quotes as shown in the example: Try it yourself in the interactive Python … Read more