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Python Tutorials and Examples

Pandas fillna() Method – A Complete Guide

Data analysis has become an important part of our everyday life. Every day we deal with different kinds of data from different domains. One of the major challenges in data analysis is the presence of missing values or (NA) in the data. In this article, we will learn how we can handle the missing values …

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How to Read Pickle Files in Pandas?

Most often we use or store data in the form of DataFrames in CSV, excel, or as a text file. But we can also save data as Pickle files. Pickles are a way of representing Python objects on disk. They store the object in a serialized format, which can be used to reconstruct the object …

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Introduction to Feature Matching in Images using Python

Feature matching is the process of detecting and measuring similarities between features in two or more images. This process can be used to compare images to identify changes or differences between them. Feature matching can also be used to find corresponding points in different images, which can be used for tasks such as panorama stitching …

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Negative Indexing Python Lists – How to Use “-1” Parameter

Python lists can be indexed in a variety of ways, including positive and negative numbers. This article will discuss how to use the “-” minus parameter to access specific elements in a list. Basic List Structure and Operations A list is defined using square brackets and elements within them. Each element is separated with the …

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Image Pose Detection in Python Programming Language

In this tutorial, we will be implementing a program that will help to detect poses in images and mark them as landmarks on the image. Let us first understand what pose detection is. Pose estimation is a computer vision approach for tracking a person’s or object’s motions. This is normally accomplished by locating key spots …

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Inner Product of Numpy Arrays – A Quick Guide

In this article, we will learn how to perform an inner product between two arrays. We will look at both 1-D arrays and multi-dimensional arrays. Let’s start by looking at what are Numpy arrays. What are NumPy arrays? Numpy is an open-source python library that is used for scientific computations. Numpy arrays are similar to …

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How to Replace NAN Values in Pandas with an Empty String?

An important part of the data analysis process is getting rid of the NAN values. In this article, how to replace NAN values in one column or multiple columns with an empty string. Let’s get started! Also read: Understanding NaN in Numpy and Pandas We will start by creating a DataFrame. Let’s create a DataFrame …

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Python Captcha Generator – Create Audio And Image Captcha in Python

Hey coders! I am pretty sure have come across CAPTCHA on a number of websites that validate if you are a human or a robot. Yes, you are right they are those annoying things that come when you are finishing off a long form or even doing payments at times. Look at a sample captcha below. In …

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ASCII Art in Python Programming Language

In this tutorial, we’re going to create ASCII Art using the pyfiglet library that will make displaying the art on the screen much easier and more interesting! ASCII Art implies showing a word or a sentence using some patterns or special symbols to specially make the text more creative and enhance the overall look of …

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Tkinter Tutorial – Drawing a Line Using Tkinter Canvas

Hello everyone! in this Tkinter tutorial we will be learning how to draw different lines using the built-in functions. This is one of the main concepts that students who learn Tkinter forget and then make things very messy. So, let us keep it simple and sweet, and let’s get started. What is a Canvas in …

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