Data classes are available for Python 3.7 or above. You can use data classes as a data container but not only. Data classes also write boiler-plate code for you and simplify the process of creating classes because it comes with some methods implemented for free. Let’s dive in! Your First Data Class Let’s create…

Bring C into your Python code with only a few steps! — I’m sure you heard a lot of people complaining that Python is so slow. I see people compare Python to C in the context of performance only, but they don’t compare in the context of fast development. Python development time is so fast because you don’t have to deal with…

Python in memory — In this piece, I will talk about reference counting in Python. I will use the list object, which is mutable for illustration purposes. I hope you will enjoy it. Note that I will not go into C implementation details. P.S: Output of snippets may differ on your hardware. Variables Are Memory References Variables in…

Three problems and their solutions — In this piece, I will talk about three common mistakes you wouldn’t want to do! The Problem: Default Mutable Object Hey, wait—what is a mutable object in Python? Mutable objects are objects you can change. List, set, and dict are examples of mutable objects. For the sake of argument, I will define a very simple…

In this piece, we are going to delve into context managers in Python. I will keep it short — less talk, more work! I hope you enjoy it. Why Context Managers? Context managers are used to give resources back. Here’s what I mean: f = open('file.txt', 'w') f.write('Something to write') We opened a…

Let’s say I want to build a system that say whether someone is tuberculosis or not. We collected a data set including 50.000 images. 49.950 of these images are negative examples and rest are positive examples. In our data set, Just 50 people are tuberculosis while we have 50.000 images…

I’m keeping on making publications on implementing from scratch. This time is for logistic regression! Let’s go about this! Logistic regression Logistic regression is used for binary classifications. …

An in-depth tutorial on setting up an AI network — Hello AI fans! I am so excited to share with you how to build a neural network with a hidden layer! Follow along and let’s get started! Importing Libraries The only library we need for this tutorial is NumPy. import numpy as np Activation Function In the hidden layer, we will use the tanh…

So you can handle user errors and server errors appropriately — Me on youtube: https://bit.ly/34d2r9g Me on github: https://bit.ly/3aTU1Gs Imagine that you developed a calculator using Python. Someone who uses your software wants to divide a number by zero (e.g. 4/0). Because division by zero is mathematically undefined, Python is going to throw an error like below. ZeroDivisionError: division by zero