Learn how to use abstract methods and polymorphism in Python object-oriented programming to write more reusable and extensible code for data science.

When we interact with an object through dot notation, we are calling the variable or function that is defined inside of the object. We call these instance variables attributes and these instance ...

This method checks if the book was issued or not. If it was then the method pops it from the self.issueDict using the pop () function of the dictionary. If it was not then the method tells the user to ...

In Python, a number of different modules and objects provide such functionality, including os.path, os.stat and glob. This isn't necessarily bad; the fact is that Python developers have used this ...

When we interact with an object through dot notation, we are calling the variable or function that is defined inside of the object. We call these instance variables attributes and these instance ...