22/02/2022 - Machine Learning Plus

Decorators in Python – How to enhance functions without changing the code?

Leave a Comment / Python / By Selva Prabhakaran

Decorators in python allow you to dynamically change the functionality of another function, without altering it’s code. What? Is that possible? Yes. This covers: 1. What is a decorator and how to create one? 2. Easier way to decorate functions 3. Class decorators 4. Problem with docstrings on decorated functions and how to solve. What …

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Generators in Python – How to lazily return values only when needed and save memory?

Leave a Comment / Python / By Selva Prabhakaran

Generators in python provide an efficient way of generating numbers or objects as and when needed, without having to store all the values in memory beforehand. Introduction You can think of Generators as a simple way of creating iterators without having to create a class with __iter__() and __next__() methods. So how to create a …

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Iterators in Python – What are Iterators and Iterables?

Leave a Comment / Python / By Selva Prabhakaran

Iterable in Python is any object that can be looped over. In order for an iterable to be looped over, an iterable needs to be converted to an iterator using the __iter__() method. Once created, it is actually the iterator that gets iterated over. This is also what happens internally when you run a for-loop. …

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Python Module – What are modules and packages in python?

Leave a Comment / Python / By Selva Prabhakaran

Any Python file with a .py extension is a Module in Python. A python package is a collection of such modules along with a __init__.py file. Let’s understand how to work with modules and packages with clear examples. Introduction When you work on python projects, it’s not a good practice to have all you python …

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February 22, 2022

Decorators in Python – How to enhance functions without changing the code?

Generators in Python – How to lazily return values only when needed and save memory?

Iterators in Python – What are Iterators and Iterables?

Python Module – What are modules and packages in python?

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