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In this article we'll be taking a look at Global and Non-Local Variables in Python and how you to use them to avoid issues when writing code. We'll be starting off with a brief primer on variable scopes before we launch into the how and why of using global and...
Guest Contributor
A heatmap is a data visualization technique that uses color to show how a value of interest changes depending on the values of two other variables. For example, you could use a heatmap to understand how air pollution varies according to the time of day across a set of cities....
In Python, every object instance comes pre-built with standard functions and attributes. For example, Python uses a dictionary to store an object's instance attributes. This has many benefits, like allowing us to add new attributes at runtime. However, this convenience comes at a cost. Dictionaries can consume a fair chunk...
Sathiya Sarathi Gunasekaran
Hypertext Markup Language (HTML) is the standard markup language for building web pages. We can render tabular data using HTML's <table> element. The Pandas data analysis library provides functions like read_html() and to_html() so we can import and export data to DataFrames. In this article, we...
Naazneen Jatu
Seaborn is one of the most widely used data visualization libraries in Python, as an extension to Matplotlib. It offers a simple, intuitive, yet highly customizable API for data visualization. In this tutorial, we'll take a look at how to plot a Violin Plot in Seaborn. Violin plots are used...
Dan Nelson
Python is supported by many libraries which simplify data transfer over HTTP. The requests library is one of the most popular Python packages as it's heavily used in web scraping. It's also popular for interacting with servers! The library makes it easy to upload data in a popular format like...
Mohamed Echout
There are many data visualization libraries in Python, yet Matplotlib is the most popular library out of all of them. Matplotlib’s popularity is due to its reliability and utility - it's able to create both simple and complex plots with little code. You can also customize the plots in...
Finding the right data we need is an age-old problem before computers. As developers, we create many search algorithms to retrieve data efficiently. Search algorithms can be divided into two broad categories: sequential and interval searches. Sequential searches check each element in a data structure. Interval searches check various points...
Spelling mistakes are common, and most people are used to software indicating if a mistake was made. From autocorrect on our phones, to red underlining in text editors, spell checking is an essential feature for many different products. The first program to implement spell checking was written in 1971 for...
Kristina Popovic
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