Overloading the [ ] operator for indexing and slicing
The square bracket operator [ ] is used by built-in collection data types such as lists, tuples and dictionaries. The item placed inside the brackets can be a single object…
Encapsulation with the @property decorator
When we discussed encapsulation in classes, we saw that a class's data fields should be kept as private fields, with getter and setter methods being provided to access or change…
Instance, static and class methods
The most common use of a class is as a recipe for creating objects, each of which is a specific instance of the class. The methods that we've defined inside…
Generator functions: send(), throw() and close()
We introduced generator functions as a way of writing functions that yield successive values while maintaining the function's state in memory. We've seen how to use the yield statement to…
Generator functions and the yield statement
[latexpage] A normal function in Python can be terminated with a return statement, which may or may not return a value back to the statement that called the function. After…